112812489 has 6 divisors (see below), whose sum is σ = 162951386. Its totient is φ = 75208320.

The previous prime is 112812487. The next prime is 112812517. The reversal of 112812489 is 984218211.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 67815225 + 44997264 = 8235^2 + 6708^2 .

It is not a de Polignac number, because 112812489 - 2¹ = 112812487 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112812487) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6267352 + ... + 6267369.

Almost surely, 2^112812489 is an apocalyptic number.

It is an amenable number.

112812489 is a deficient number, since it is larger than the sum of its proper divisors (50138897).

112812489 is a wasteful number, since it uses less digits than its factorization.

112812489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12534727 (or 12534724 counting only the distinct ones).

The product of its digits is 9216, while the sum is 36.

The square root of 112812489 is about 10621.3223752977. The cubic root of 112812489 is about 483.1912491859.

The spelling of 112812489 in words is "one hundred twelve million, eight hundred twelve thousand, four hundred eighty-nine".