112257913 has 4 divisors (see below), whose sum is σ = 115879168. Its totient is φ = 108636660.

The previous prime is 112257911. The next prime is 112257923. The reversal of 112257913 is 319752211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 112257913 - 2¹ = 112257911 is a prime.

It is a super-2 number, since 2×112257913² = 25203678062231138, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31), and also a Moran number because the ratio is a prime number: 3621223 = 112257913 / (1 + 1 + 2 + 2 + 5 + 7 + 9 + 1 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112257911) 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, 1810581 + ... + 1810642.

It is an arithmetic number, because the mean of its divisors is an integer number (28969792).

Almost surely, 2^112257913 is an apocalyptic number.

It is an amenable number.

112257913 is a deficient number, since it is larger than the sum of its proper divisors (3621255).

112257913 is an equidigital number, since it uses as much as digits as its factorization.

112257913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3621254.

The product of its digits is 3780, while the sum is 31.

The square root of 112257913 is about 10595.1834811862. The cubic root of 112257913 is about 482.3981733629.

The spelling of 112257913 in words is "one hundred twelve million, two hundred fifty-seven thousand, nine hundred thirteen".