120515800 has 48 divisors (see below), whose sum is σ = 280941840. Its totient is φ = 48078720.

The previous prime is 120515783. The next prime is 120515821. The reversal of 120515800 is 8515021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 122109 + ... + 123091.

It is an arithmetic number, because the mean of its divisors is an integer number (5852955).

Almost surely, 2^120515800 is an apocalyptic number.

120515800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120515800 is an abundant number, since it is smaller than the sum of its proper divisors (160426040).

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

120515800 is a wasteful number, since it uses less digits than its factorization.

120515800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1612 (or 1603 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 22.

The square root of 120515800 is about 10977.9688467403. The cubic root of 120515800 is about 493.9481114944.

The spelling of 120515800 in words is "one hundred twenty million, five hundred fifteen thousand, eight hundred".