122855472 has 60 divisors (see below), whose sum is σ = 351838344. Its totient is φ = 39997440.

The previous prime is 122855471. The next prime is 122855497. The reversal of 122855472 is 274558221.

It is a happy number.

122855472 is a `hidden beast` number, since 12 + 28 + 554 + 72 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (122855471) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3729 + ... + 16112.

Almost surely, 2^122855472 is an apocalyptic number.

122855472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

122855472 is an abundant number, since it is smaller than the sum of its proper divisors (228982872).

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

122855472 is a wasteful number, since it uses less digits than its factorization.

122855472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19898 (or 19889 counting only the distinct ones).

The product of its digits is 44800, while the sum is 36.

The square root of 122855472 is about 11084.0187657726. The cubic root of 122855472 is about 497.1241196720.

The spelling of 122855472 in words is "one hundred twenty-two million, eight hundred fifty-five thousand, four hundred seventy-two".