113112237 has 24 divisors (see below), whose sum is σ = 185763456. Its totient is φ = 60832128.

The previous prime is 113112199. The next prime is 113112283. The reversal of 113112237 is 732211311.

It is a happy number.

It is not a de Polignac number, because 113112237 - 2¹⁸ = 112850093 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113112287) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20133 + ... + 25130.

It is an arithmetic number, because the mean of its divisors is an integer number (7740144).

Almost surely, 2^113112237 is an apocalyptic number.

113112237 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

113112237 is a deficient number, since it is larger than the sum of its proper divisors (72651219).

113112237 is a wasteful number, since it uses less digits than its factorization.

113112237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45297 (or 45290 counting only the distinct ones).

The product of its digits is 252, while the sum is 21.

The square root of 113112237 is about 10635.4236869059. The cubic root of 113112237 is about 483.6188245444.

Adding to 113112237 its reverse (732211311), we get a palindrome (845323548).

The spelling of 113112237 in words is "one hundred thirteen million, one hundred twelve thousand, two hundred thirty-seven".