1113685872 has 40 divisors (see below), whose sum is σ = 3098332944. Its totient is φ = 342672384.

The previous prime is 1113685871. The next prime is 1113685879. The reversal of 1113685872 is 2785863111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113685871) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 891753 + ... + 893000.

Almost surely, 2^1113685872 is an apocalyptic number.

1113685872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1113685872 is an abundant number, since it is smaller than the sum of its proper divisors (1984647072).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1113685872 is a wasteful number, since it uses less digits than its factorization.

1113685872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1784777 (or 1784771 counting only the distinct ones).

The product of its digits is 80640, while the sum is 42.

The square root of 1113685872 is about 33371.9323983494. The cubic root of 1113685872 is about 1036.5435895465.

The spelling of 1113685872 in words is "one billion, one hundred thirteen million, six hundred eighty-five thousand, eight hundred seventy-two".