113121793 has 2 divisors, whose sum is σ = 113121794. Its totient is φ = 113121792.

The previous prime is 113121773. The next prime is 113121817. The reversal of 113121793 is 397121311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 113039424 + 82369 = 10632^2 + 287^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113121793 is a prime.

It is not a weakly prime, because it can be changed into another prime (113121773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56560896 + 56560897.

It is an arithmetic number, because the mean of its divisors is an integer number (56560897).

Almost surely, 2^113121793 is an apocalyptic number.

It is an amenable number.

113121793 is a deficient number, since it is larger than the sum of its proper divisors (1).

113121793 is an equidigital number, since it uses as much as digits as its factorization.

113121793 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1134, while the sum is 28.

The square root of 113121793 is about 10635.8729307942. The cubic root of 113121793 is about 483.6324432635.

The spelling of 113121793 in words is "one hundred thirteen million, one hundred twenty-one thousand, seven hundred ninety-three".