113124123121 has 16 divisors (see below), whose sum is σ = 118316678400. Its totient is φ = 108049189248.

The previous prime is 113124123097. The next prime is 113124123131. The reversal of 113124123121 is 121321421311.

It is a cyclic number.

It is not a de Polignac number, because 113124123121 - 2⁵ = 113124123089 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 113124123092 and 113124123101.

It is not an unprimeable number, because it can be changed into a prime (113124123131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1533541 + ... + 1605613.

It is an arithmetic number, because the mean of its divisors is an integer number (7394792400).

Almost surely, 2^113124123121 is an apocalyptic number.

It is an amenable number.

113124123121 is a deficient number, since it is larger than the sum of its proper divisors (5192555279).

113124123121 is an equidigital number, since it uses as much as digits as its factorization.

113124123121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72888.

The product of its digits is 288, while the sum is 22.

Adding to 113124123121 its reverse (121321421311), we get a palindrome (234445544432).

The spelling of 113124123121 in words is "one hundred thirteen billion, one hundred twenty-four million, one hundred twenty-three thousand, one hundred twenty-one".