115032120 has 64 divisors (see below), whose sum is σ = 394398720. Its totient is φ = 26292864.

The previous prime is 115032119. The next prime is 115032121. The reversal of 115032120 is 21230511.

It is an interprime number because it is at equal distance from previous prime (115032119) and next prime (115032121).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 115032120.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115032121) 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, 67632 + ... + 69311.

It is an arithmetic number, because the mean of its divisors is an integer number (6162480).

Almost surely, 2^115032120 is an apocalyptic number.

115032120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115032120 is an abundant number, since it is smaller than the sum of its proper divisors (279366600).

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

115032120 is a wasteful number, since it uses less digits than its factorization.

115032120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136964 (or 136960 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 115032120 is about 10725.3027929285. The cubic root of 115032120 is about 486.3396836096.

Adding to 115032120 its reverse (21230511), we get a palindrome (136262631).

The spelling of 115032120 in words is "one hundred fifteen million, thirty-two thousand, one hundred twenty".