113122513 has 4 divisors (see below), whose sum is σ = 129282880. Its totient is φ = 96962148.

The previous prime is 113122507. The next prime is 113122519. The reversal of 113122513 is 315221311.

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 an interprime number because it is at equal distance from previous prime (113122507) and next prime (113122519).

It is a cyclic number.

It is not a de Polignac number, because 113122513 - 2⁵ = 113122481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113122519) 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, 8080173 + ... + 8080186.

It is an arithmetic number, because the mean of its divisors is an integer number (32320720).

Almost surely, 2^113122513 is an apocalyptic number.

It is an amenable number.

113122513 is a deficient number, since it is larger than the sum of its proper divisors (16160367).

113122513 is an equidigital number, since it uses as much as digits as its factorization.

113122513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16160366.

The product of its digits is 180, while the sum is 19.

The square root of 113122513 is about 10635.9067784557. The cubic root of 113122513 is about 483.6334693394.

Adding to 113122513 its reverse (315221311), we get a palindrome (428343824).

The spelling of 113122513 in words is "one hundred thirteen million, one hundred twenty-two thousand, five hundred thirteen".