122872555 has 16 divisors (see below), whose sum is σ = 165695040. Its totient is φ = 86790528.

The previous prime is 122872553. The next prime is 122872567. The reversal of 122872555 is 555278221.

It is a cyclic number.

It is not a de Polignac number, because 122872555 - 2¹ = 122872553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122872553) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39600 + ... + 42589.

It is an arithmetic number, because the mean of its divisors is an integer number (10355940).

Almost surely, 2^122872555 is an apocalyptic number.

122872555 is a deficient number, since it is larger than the sum of its proper divisors (42822485).

122872555 is a wasteful number, since it uses less digits than its factorization.

122872555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82230.

The product of its digits is 56000, while the sum is 37.

The square root of 122872555 is about 11084.7893529828. The cubic root of 122872555 is about 497.1471602351.

The spelling of 122872555 in words is "one hundred twenty-two million, eight hundred seventy-two thousand, five hundred fifty-five".