112999665 has 32 divisors (see below), whose sum is σ = 187689600. Its totient is φ = 58005504.

The previous prime is 112999643. The next prime is 112999699. The reversal of 112999665 is 566999211.

It is not a de Polignac number, because 112999665 - 2⁸ = 112999409 is a prime.

It is a super-2 number, since 2×112999665² = 25537848580224450, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52786 + ... + 54884.

It is an arithmetic number, because the mean of its divisors is an integer number (5865300).

Almost surely, 2^112999665 is an apocalyptic number.

112999665 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

112999665 is a deficient number, since it is larger than the sum of its proper divisors (74689935).

112999665 is a wasteful number, since it uses less digits than its factorization.

112999665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2241.

The product of its digits is 262440, while the sum is 48.

The square root of 112999665 is about 10630.1300556484. The cubic root of 112999665 is about 483.4583349564.

The spelling of 112999665 in words is "one hundred twelve million, nine hundred ninety-nine thousand, six hundred sixty-five".