113622961 has 2 divisors, whose sum is σ = 113622962. Its totient is φ = 113622960.

The previous prime is 113622953. The next prime is 113622973. The reversal of 113622961 is 169226311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 96648561 + 16974400 = 9831^2 + 4120^2 .

It is a cyclic number.

It is not a de Polignac number, because 113622961 - 2³ = 113622953 is a prime.

It is not a weakly prime, because it can be changed into another prime (113622911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56811480 + 56811481.

It is an arithmetic number, because the mean of its divisors is an integer number (56811481).

Almost surely, 2^113622961 is an apocalyptic number.

It is an amenable number.

113622961 is a deficient number, since it is larger than the sum of its proper divisors (1).

113622961 is an equidigital number, since it uses as much as digits as its factorization.

113622961 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3888, while the sum is 31.

The square root of 113622961 is about 10659.4071598753. The cubic root of 113622961 is about 484.3456098213.

The spelling of 113622961 in words is "one hundred thirteen million, six hundred twenty-two thousand, nine hundred sixty-one".