115237720 has 48 divisors (see below), whose sum is σ = 280780560. Its totient is φ = 42546816.

The previous prime is 115237709. The next prime is 115237753. The reversal of 115237720 is 27732511.

It is a super-2 number, since 2×115237720² = 26559464221596800, which contains 22 as substring.

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, 1764 + ... + 15283.

It is an arithmetic number, because the mean of its divisors is an integer number (5849595).

Almost surely, 2^115237720 is an apocalyptic number.

115237720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115237720 is an abundant number, since it is smaller than the sum of its proper divisors (165542840).

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

115237720 is a wasteful number, since it uses less digits than its factorization.

115237720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17084 (or 17067 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 28.

The square root of 115237720 is about 10734.8833249365. The cubic root of 115237720 is about 486.6292604848.

The spelling of 115237720 in words is "one hundred fifteen million, two hundred thirty-seven thousand, seven hundred twenty".