113604121 has 2 divisors, whose sum is σ = 113604122. Its totient is φ = 113604120.

The previous prime is 113604103. The next prime is 113604137. The reversal of 113604121 is 121406311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 100902025 + 12702096 = 10045^2 + 3564^2 .

It is a cyclic number.

It is not a de Polignac number, because 113604121 - 2⁵ = 113604089 is a prime.

It is not a weakly prime, because it can be changed into another prime (113604221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56802060 + 56802061.

It is an arithmetic number, because the mean of its divisors is an integer number (56802061).

Almost surely, 2^113604121 is an apocalyptic number.

It is an amenable number.

113604121 is a deficient number, since it is larger than the sum of its proper divisors (1).

113604121 is an equidigital number, since it uses as much as digits as its factorization.

113604121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 113604121 is about 10658.5233967938. The cubic root of 113604121 is about 484.3188383085.

The spelling of 113604121 in words is "one hundred thirteen million, six hundred four thousand, one hundred twenty-one".