112639747 has 12 divisors (see below), whose sum is σ = 126695800. Its totient is φ = 100013760.

The previous prime is 112639721. The next prime is 112639817. The reversal of 112639747 is 747936211.

It is not a de Polignac number, because 112639747 - 2²³ = 104251139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (112639147) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5622 + ... + 16027.

Almost surely, 2^112639747 is an apocalyptic number.

112639747 is a deficient number, since it is larger than the sum of its proper divisors (14056053).

112639747 is a wasteful number, since it uses less digits than its factorization.

112639747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21714 (or 21703 counting only the distinct ones).

The product of its digits is 63504, while the sum is 40.

The square root of 112639747 is about 10613.1874100102. The cubic root of 112639747 is about 482.9444973637.

The spelling of 112639747 in words is "one hundred twelve million, six hundred thirty-nine thousand, seven hundred forty-seven".