113404401 has 64 divisors (see below), whose sum is σ = 191923200. Its totient is φ = 65577600.

The previous prime is 113404391. The next prime is 113404411. The reversal of 113404401 is 104404311.

It is an interprime number because it is at equal distance from previous prime (113404391) and next prime (113404411).

It is not a de Polignac number, because 113404401 - 2⁷ = 113404273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (113404411) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 815790 + ... + 815928.

It is an arithmetic number, because the mean of its divisors is an integer number (2998800).

Almost surely, 2^113404401 is an apocalyptic number.

113404401 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

113404401 is a deficient number, since it is larger than the sum of its proper divisors (78518799).

113404401 is a wasteful number, since it uses less digits than its factorization.

113404401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267 (or 261 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 113404401 is about 10649.1502477897. The cubic root of 113404401 is about 484.0348553661.

Adding to 113404401 its reverse (104404311), we get a palindrome (217808712).

The spelling of 113404401 in words is "one hundred thirteen million, four hundred four thousand, four hundred one".