115660120 has 32 divisors (see below), whose sum is σ = 269211600. Its totient is φ = 44668288.

The previous prime is 115660109. The next prime is 115660121. The reversal of 115660120 is 21066511.

It is a junction number, because it is equal to n+sod(n) for n = 115660091 and 115660100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115660121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48694 + ... + 51013.

Almost surely, 2^115660120 is an apocalyptic number.

115660120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115660120 is an abundant number, since it is smaller than the sum of its proper divisors (153551480).

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

115660120 is a wasteful number, since it uses less digits than its factorization.

115660120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99747 (or 99743 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 115660120 is about 10754.5395066456. The cubic root of 115660120 is about 487.2231099106.

The spelling of 115660120 in words is "one hundred fifteen million, six hundred sixty thousand, one hundred twenty".