115903020 has 24 divisors (see below), whose sum is σ = 324528624. Its totient is φ = 30907456.

The previous prime is 115903001. The next prime is 115903031. The reversal of 115903020 is 20309511.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 965799 + ... + 965918.

It is an arithmetic number, because the mean of its divisors is an integer number (13522026).

Almost surely, 2^115903020 is an apocalyptic number.

115903020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115903020 is an abundant number, since it is smaller than the sum of its proper divisors (208625604).

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

115903020 is a wasteful number, since it uses less digits than its factorization.

115903020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1931729 (or 1931727 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 21.

The square root of 115903020 is about 10765.8264894062. The cubic root of 115903020 is about 487.5639469041.

The spelling of 115903020 in words is "one hundred fifteen million, nine hundred three thousand, twenty".