113604421 has 16 divisors (see below), whose sum is σ = 138571776. Its totient is φ = 90913536.

The previous prime is 113604391. The next prime is 113604427. The reversal of 113604421 is 124406311.

It is not a de Polignac number, because 113604421 - 2⁵ = 113604389 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 113604392 and 113604401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113604427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11355 + ... + 18871.

It is an arithmetic number, because the mean of its divisors is an integer number (8660736).

Almost surely, 2^113604421 is an apocalyptic number.

It is an amenable number.

113604421 is a deficient number, since it is larger than the sum of its proper divisors (24967355).

113604421 is a wasteful number, since it uses less digits than its factorization.

113604421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7668.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 113604421 is about 10658.5374700284. The cubic root of 113604421 is about 484.3192646296.

The spelling of 113604421 in words is "one hundred thirteen million, six hundred four thousand, four hundred twenty-one".