113121308937 has 32 divisors (see below), whose sum is σ = 187984814080. Its totient is φ = 58913075520.

The previous prime is 113121308921. The next prime is 113121308959. The reversal of 113121308937 is 739803121311.

It is not a de Polignac number, because 113121308937 - 2⁴ = 113121308921 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 113121308895 and 113121308904.

It is not an unprimeable number, because it can be changed into a prime (113121308987) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2600989 + ... + 2644122.

It is an arithmetic number, because the mean of its divisors is an integer number (5874525440).

Almost surely, 2^113121308937 is an apocalyptic number.

It is an amenable number.

113121308937 is a deficient number, since it is larger than the sum of its proper divisors (74863505143).

113121308937 is a wasteful number, since it uses less digits than its factorization.

113121308937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5245213.

The product of its (nonzero) digits is 27216, while the sum is 39.

The spelling of 113121308937 in words is "one hundred thirteen billion, one hundred twenty-one million, three hundred eight thousand, nine hundred thirty-seven".