115656120 has 64 divisors (see below), whose sum is σ = 385524000. Its totient is φ = 30841344.

The previous prime is 115656113. The next prime is 115656127. The reversal of 115656120 is 21656511.

It is a happy number.

115656120 is a `hidden beast` number, since 1 + 1 + 5 + 656 + 1 + 2 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (115656113) and next prime (115656127).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115656127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52465 + ... + 54624.

Almost surely, 2^115656120 is an apocalyptic number.

115656120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115656120 is an abundant number, since it is smaller than the sum of its proper divisors (269867880).

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

115656120 is a wasteful number, since it uses less digits than its factorization.

115656120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107109 (or 107099 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 27.

The square root of 115656120 is about 10754.3535370565. The cubic root of 115656120 is about 487.2174931233.

The spelling of 115656120 in words is "one hundred fifteen million, six hundred fifty-six thousand, one hundred twenty".