15028131 has 16 divisors (see below), whose sum is σ = 20998656. Its totient is φ = 9542016.

The previous prime is 15028129. The next prime is 15028133. The reversal of 15028131 is 13182051.

It is an interprime number because it is at equal distance from previous prime (15028129) and next prime (15028133).

It is not a de Polignac number, because 15028131 - 2¹ = 15028129 is a prime.

It is a super-2 number, since 2×15028131² = 451689442706322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 15028098 and 15028107.

It is not an unprimeable number, because it can be changed into a prime (15028133) 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, 29626 + ... + 30128.

It is an arithmetic number, because the mean of its divisors is an integer number (1312416).

Almost surely, 2^15028131 is an apocalyptic number.

15028131 is a deficient number, since it is larger than the sum of its proper divisors (5970525).

15028131 is a wasteful number, since it uses less digits than its factorization.

15028131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 962.

The product of its (nonzero) digits is 240, while the sum is 21.

The square root of 15028131 is about 3876.6133415650. The cubic root of 15028131 is about 246.7752822933.

The spelling of 15028131 in words is "fifteen million, twenty-eight thousand, one hundred thirty-one".