115452120 has 64 divisors (see below), whose sum is σ = 395838720. Its totient is φ = 26388864.

The previous prime is 115452107. The next prime is 115452121. The reversal of 115452120 is 21254511.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115452121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67882 + ... + 69561.

It is an arithmetic number, because the mean of its divisors is an integer number (6184980).

Almost surely, 2^115452120 is an apocalyptic number.

115452120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115452120 is an abundant number, since it is smaller than the sum of its proper divisors (280386600).

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

115452120 is a wasteful number, since it uses less digits than its factorization.

115452120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137464 (or 137460 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 115452120 is about 10744.8648199966. The cubic root of 115452120 is about 486.9308650755.

The spelling of 115452120 in words is "one hundred fifteen million, four hundred fifty-two thousand, one hundred twenty".