122895906 has 32 divisors (see below), whose sum is σ = 281397888. Its totient is φ = 35051520.

The previous prime is 122895887. The next prime is 122895919. The reversal of 122895906 is 609598221.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25186 + ... + 29666.

It is an arithmetic number, because the mean of its divisors is an integer number (8793684).

Almost surely, 2^122895906 is an apocalyptic number.

122895906 is an abundant number, since it is smaller than the sum of its proper divisors (158501982).

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

122895906 is a wasteful number, since it uses less digits than its factorization.

122895906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5146.

The product of its (nonzero) digits is 77760, while the sum is 42.

The square root of 122895906 is about 11085.8425931455. The cubic root of 122895906 is about 497.1786512599.

The spelling of 122895906 in words is "one hundred twenty-two million, eight hundred ninety-five thousand, nine hundred six".