115324720 has 40 divisors (see below), whose sum is σ = 306435744. Its totient is φ = 39539712.

The previous prime is 115324717. The next prime is 115324721. The reversal of 115324720 is 27423511.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (115324721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102409 + ... + 103528.

Almost surely, 2^115324720 is an apocalyptic number.

115324720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115324720 is an abundant number, since it is smaller than the sum of its proper divisors (191111024).

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

115324720 is a wasteful number, since it uses less digits than its factorization.

115324720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205957 (or 205951 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 115324720 is about 10738.9347702647. The cubic root of 115324720 is about 486.7516917394.

The spelling of 115324720 in words is "one hundred fifteen million, three hundred twenty-four thousand, seven hundred twenty".