115272028 has 12 divisors (see below), whose sum is σ = 202290480. Its totient is φ = 57474752.

The previous prime is 115272023. The next prime is 115272049. The reversal of 115272028 is 820272511.

It is a junction number, because it is equal to n+sod(n) for n = 115271987 and 115272005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115272023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38701 + ... + 41572.

It is an arithmetic number, because the mean of its divisors is an integer number (16857540).

Almost surely, 2^115272028 is an apocalyptic number.

It is an amenable number.

115272028 is a deficient number, since it is larger than the sum of its proper divisors (87018452).

115272028 is a wasteful number, since it uses less digits than its factorization.

115272028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80636 (or 80634 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 28.

The square root of 115272028 is about 10736.4811740160. The cubic root of 115272028 is about 486.6775479730.

The spelling of 115272028 in words is "one hundred fifteen million, two hundred seventy-two thousand, twenty-eight".