108125928 has 40 divisors (see below), whose sum is σ = 302854530. Its totient is φ = 36041760.

The previous prime is 108125917. The next prime is 108125939. The reversal of 108125928 is 829521801.

It is an interprime number because it is at equal distance from previous prime (108125917) and next prime (108125939).

It can be written as a sum of positive squares in only one way, i.e., 65901924 + 42224004 = 8118^2 + 6498^2 .

It is a super-2 number, since 2×108125928² = 23382432611722368, which contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 108125892 and 108125901.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 82783 + ... + 84078.

Almost surely, 2^108125928 is an apocalyptic number.

108125928 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

108125928 is an abundant number, since it is smaller than the sum of its proper divisors (194728602).

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

108125928 is a wasteful number, since it uses less digits than its factorization.

108125928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166879 (or 166866 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 36.

The square root of 108125928 is about 10398.3617940520. The cubic root of 108125928 is about 476.4053346610.

The spelling of 108125928 in words is "one hundred eight million, one hundred twenty-five thousand, nine hundred twenty-eight".