115032100 has 36 divisors (see below), whose sum is σ = 250741764. Its totient is φ = 45806080.

The previous prime is 115032083. The next prime is 115032109. The reversal of 115032100 is 1230511.

It can be written as a sum of positive squares in 6 ways, for example, as 12334144 + 102697956 = 3512^2 + 10134^2 .

It is not an unprimeable number, because it can be changed into a prime (115032109) 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 11 ways as a sum of consecutive naturals, for example, 20832 + ... + 25768.

It is an arithmetic number, because the mean of its divisors is an integer number (6965049).

Almost surely, 2^115032100 is an apocalyptic number.

115032100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115032100 is an abundant number, since it is smaller than the sum of its proper divisors (135709664).

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

115032100 is a wasteful number, since it uses less digits than its factorization.

115032100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5184 (or 5177 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 13.

The square root of 115032100 is about 10725.3018605539. The cubic root of 115032100 is about 486.3396554238.

Adding to 115032100 its reverse (1230511), we get a palindrome (116262611).

The spelling of 115032100 in words is "one hundred fifteen million, thirty-two thousand, one hundred".