108615972 has 24 divisors (see below), whose sum is σ = 255900736. Its totient is φ = 35853408.

The previous prime is 108615967. The next prime is 108616007. The reversal of 108615972 is 279516801.

It is a self number, because there is not a number n which added to its sum of digits gives 108615972.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42703 + ... + 45174.

Almost surely, 2^108615972 is an apocalyptic number.

108615972 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

108615972 is an abundant number, since it is smaller than the sum of its proper divisors (147284764).

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

108615972 is a wasteful number, since it uses less digits than its factorization.

108615972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87987 (or 87985 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 39.

The square root of 108615972 is about 10421.8986753854. The cubic root of 108615972 is about 477.1239651611.

The spelling of 108615972 in words is "one hundred eight million, six hundred fifteen thousand, nine hundred seventy-two".