112887217 has 4 divisors (see below), whose sum is σ = 112994676. Its totient is φ = 112779760.

The previous prime is 112887211. The next prime is 112887251. The reversal of 112887217 is 712788211.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 99920016 + 12967201 = 9996^2 + 3601^2 .

It is a cyclic number.

It is not a de Polignac number, because 112887217 - 2³ = 112887209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112887211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52138 + ... + 54259.

It is an arithmetic number, because the mean of its divisors is an integer number (28248669).

Almost surely, 2^112887217 is an apocalyptic number.

It is an amenable number.

112887217 is a deficient number, since it is larger than the sum of its proper divisors (107459).

112887217 is a wasteful number, since it uses less digits than its factorization.

112887217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107458.

The product of its digits is 12544, while the sum is 37.

The square root of 112887217 is about 10624.8396223190. The cubic root of 112887217 is about 483.2979157031.

The spelling of 112887217 in words is "one hundred twelve million, eight hundred eighty-seven thousand, two hundred seventeen".