122 (number)

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← 121 122 123 →
Cardinal one hundred twenty-two
Ordinal 122nd
(one hundred twenty-second)
Factorization 2 × 61
Divisors 1, 2, 61, 122
Greek numeral ΡΚΒ´
Roman numeral CXXII
Binary 11110102
Ternary 111123
Quaternary 13224
Quinary 4425
Senary 3226
Octal 1728
Duodecimal A212
Hexadecimal 7A16
Vigesimal 6220
Base 36 3E36

122 (one hundred [and] twenty-two) is the natural number following 121 and preceding 123.

In mathematics[edit]

It is a nontotient since there is no integer with exactly 122 coprimes below it. Nor is there an integer with exactly 122 integers with common factors below it, making 122 a noncototient.

In telephony[edit]

In other fields[edit]

122 is also:

See also[edit]

References[edit]

  1. ^ Porter, Darwin; Danforth Prince (2009). Frommer's Austria. Hoboken, New Jersey: Frommer's. p. 482. ISBN 978-0-470-39897-5.