113921057 has 2 divisors, whose sum is σ = 113921058. Its totient is φ = 113921056.

The previous prime is 113921021. The next prime is 113921089. The reversal of 113921057 is 750129311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 113188321 + 732736 = 10639^2 + 856^2 .

It is a cyclic number.

It is not a de Polignac number, because 113921057 - 2⁶ = 113920993 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (113921257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56960528 + 56960529.

It is an arithmetic number, because the mean of its divisors is an integer number (56960529).

Almost surely, 2^113921057 is an apocalyptic number.

It is an amenable number.

113921057 is a deficient number, since it is larger than the sum of its proper divisors (1).

113921057 is an equidigital number, since it uses as much as digits as its factorization.

113921057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1890, while the sum is 29.

The square root of 113921057 is about 10673.3807671234. The cubic root of 113921057 is about 484.7688089327.

The spelling of 113921057 in words is "one hundred thirteen million, nine hundred twenty-one thousand, fifty-seven".