112215257 has 32 divisors (see below), whose sum is σ = 147308544. Its totient is φ = 82929600.

The previous prime is 112215247. The next prime is 112215269. The reversal of 112215257 is 752512211.

It is a cyclic number.

It is not a de Polignac number, because 112215257 - 2⁴ = 112215241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112215217) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 126068 + ... + 126954.

It is an arithmetic number, because the mean of its divisors is an integer number (4603392).

Almost surely, 2^112215257 is an apocalyptic number.

It is an amenable number.

112215257 is a deficient number, since it is larger than the sum of its proper divisors (35093287).

112215257 is a wasteful number, since it uses less digits than its factorization.

112215257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 989.

The product of its digits is 1400, while the sum is 26.

The square root of 112215257 is about 10593.1702997733. The cubic root of 112215257 is about 482.3370647283.

Adding to 112215257 its reverse (752512211), we get a palindrome (864727468).

The spelling of 112215257 in words is "one hundred twelve million, two hundred fifteen thousand, two hundred fifty-seven".