1013685172 has 12 divisors (see below), whose sum is σ = 1776180420. Its totient is φ = 506205056.

The previous prime is 1013685133. The next prime is 1013685191. The reversal of 1013685172 is 2715863101.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 167806116 + 845879056 = 12954^2 + 29084^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 155797 + ... + 162172.

It is an arithmetic number, because the mean of its divisors is an integer number (148015035).

Almost surely, 2^1013685172 is an apocalyptic number.

It is an amenable number.

1013685172 is a deficient number, since it is larger than the sum of its proper divisors (762495248).

1013685172 is a wasteful number, since it uses less digits than its factorization.

1013685172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318770 (or 318768 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 1013685172 is about 31838.4228880766. The cubic root of 1013685172 is about 1004.5410714557.

The spelling of 1013685172 in words is "one billion, thirteen million, six hundred eighty-five thousand, one hundred seventy-two".