115372120 has 32 divisors (see below), whose sum is σ = 263149920. Its totient is φ = 45515520.

The previous prime is 115372097. The next prime is 115372129. The reversal of 115372120 is 21273511.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 115372091 and 115372100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115372129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16836 + ... + 22675.

It is an arithmetic number, because the mean of its divisors is an integer number (8223435).

Almost surely, 2^115372120 is an apocalyptic number.

115372120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115372120 is an abundant number, since it is smaller than the sum of its proper divisors (147777800).

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

115372120 is a wasteful number, since it uses less digits than its factorization.

115372120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39595 (or 39591 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 22.

The square root of 115372120 is about 10741.1414663433. The cubic root of 115372120 is about 486.8183697536.

The spelling of 115372120 in words is "one hundred fifteen million, three hundred seventy-two thousand, one hundred twenty".