113091243 has 16 divisors (see below), whose sum is σ = 156782976. Its totient is φ = 72452160.

The previous prime is 113091227. The next prime is 113091257. The reversal of 113091243 is 342190311.

It is not a de Polignac number, because 113091243 - 2⁴ = 113091227 is a prime.

It is not an unprimeable number, because it can be changed into a prime (113091263) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1380 + ... + 15102.

It is an arithmetic number, because the mean of its divisors is an integer number (9798936).

Almost surely, 2^113091243 is an apocalyptic number.

113091243 is a deficient number, since it is larger than the sum of its proper divisors (43691733).

113091243 is a wasteful number, since it uses less digits than its factorization.

113091243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13834.

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 113091243 is about 10634.4366564478. The cubic root of 113091243 is about 483.5889022829.

The spelling of 113091243 in words is "one hundred thirteen million, ninety-one thousand, two hundred forty-three".