112437621 has 12 divisors (see below), whose sum is σ = 166371660. Its totient is φ = 73129920.

The previous prime is 112437613. The next prime is 112437623. The reversal of 112437621 is 126734211.

112437621 is a `hidden beast` number, since 1 + 1 + 2 + 4 + 37 + 621 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 59074596 + 53363025 = 7686^2 + 7305^2 .

It is not a de Polignac number, because 112437621 - 2³ = 112437613 is a prime.

It is a super-2 number, since 2×112437621² = 25284437232279282, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112437623) 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, 151986 + ... + 152723.

It is an arithmetic number, because the mean of its divisors is an integer number (13864305).

Almost surely, 2^112437621 is an apocalyptic number.

It is an amenable number.

112437621 is a deficient number, since it is larger than the sum of its proper divisors (53934039).

112437621 is a wasteful number, since it uses less digits than its factorization.

112437621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304756 (or 304753 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 112437621 is about 10603.6607358025. The cubic root of 112437621 is about 482.6554517144.

The spelling of 112437621 in words is "one hundred twelve million, four hundred thirty-seven thousand, six hundred twenty-one".