122955105 has 80 divisors (see below), whose sum is σ = 249508224. Its totient is φ = 50618880.

The previous prime is 122955073. The next prime is 122955109. The reversal of 122955105 is 501559221.

It is not a de Polignac number, because 122955105 - 2⁵ = 122955073 is a prime.

It is a super-2 number, since 2×122955105² = 30235915691122050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122955109) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 2998885 + ... + 2998925.

Almost surely, 2^122955105 is an apocalyptic number.

122955105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

122955105 is an abundant number, since it is smaller than the sum of its proper divisors (126553119).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122955105 is an frugal number, since it uses more digits than its factorization.

122955105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108 (or 69 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 30.

The square root of 122955105 is about 11088.5122987712. The cubic root of 122955105 is about 497.2584688207.

The spelling of 122955105 in words is "one hundred twenty-two million, nine hundred fifty-five thousand, one hundred five".