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122 (number)
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April 2026 122 1, 2, 61, 122
122 (one hundred [and] twenty-two) is the natural number following 121 and preceding 123.
In mathematics
122 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 as well.
122 is a semiprime.
φ(122) = φ(σ(122)).A006872 phi(sigma(k))What does the phi mean in this context exactly? April 2026
References
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Category:Integers