115215124 has 6 divisors (see below), whose sum is σ = 201626474. Its totient is φ = 57607560.

The previous prime is 115215109. The next prime is 115215131. The reversal of 115215124 is 421512511.

115215124 is digitally balanced in base 9, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 59444100 + 55771024 = 7710^2 + 7468^2 .

115215124 is strictly pandigital in base 9.

It is a junction number, because it is equal to n+sod(n) for n = 115215095 and 115215104.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 14401887 + ... + 14401894.

Almost surely, 2^115215124 is an apocalyptic number.

It is an amenable number.

115215124 is a deficient number, since it is larger than the sum of its proper divisors (86411350).

115215124 is a wasteful number, since it uses less digits than its factorization.

115215124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28803785 (or 28803783 counting only the distinct ones).

The product of its digits is 400, while the sum is 22.

The square root of 115215124 is about 10733.8308166283. The cubic root of 115215124 is about 486.5974520528.

Adding to 115215124 its reverse (421512511), we get a palindrome (536727635).

The spelling of 115215124 in words is "one hundred fifteen million, two hundred fifteen thousand, one hundred twenty-four".