115028012 has 24 divisors (see below), whose sum is σ = 222882240. Its totient is φ = 51503760.

The previous prime is 115028009. The next prime is 115028021. The reversal of 115028012 is 210820511.

It is a happy 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 in 7 ways as a sum of consecutive naturals, for example, 16562 + ... + 22457.

It is an arithmetic number, because the mean of its divisors is an integer number (9286760).

Almost surely, 2^115028012 is an apocalyptic number.

It is an amenable number.

115028012 is a deficient number, since it is larger than the sum of its proper divisors (107854228).

115028012 is a wasteful number, since it uses less digits than its factorization.

115028012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39101 (or 39099 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 20.

The square root of 115028012 is about 10725.1112814740. Note that the first 3 decimals coincide. The cubic root of 115028012 is about 486.3338941912. Note that the first 3 decimals are identical.

Adding to 115028012 its reverse (210820511), we get a palindrome (325848523).

The spelling of 115028012 in words is "one hundred fifteen million, twenty-eight thousand, twelve".