113660401 has 4 divisors (see below), whose sum is σ = 113716900. Its totient is φ = 113603904.

The previous prime is 113660369. The next prime is 113660423. The reversal of 113660401 is 104066311.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 60078001 + 53582400 = 7751^2 + 7320^2 .

It is a cyclic number.

It is not a de Polignac number, because 113660401 - 2⁵ = 113660369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113660101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25116 + ... + 29293.

It is an arithmetic number, because the mean of its divisors is an integer number (28429225).

Almost surely, 2^113660401 is an apocalyptic number.

It is an amenable number.

113660401 is a deficient number, since it is larger than the sum of its proper divisors (56499).

113660401 is an equidigital number, since it uses as much as digits as its factorization.

113660401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56498.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 113660401 is about 10661.1632104569. The cubic root of 113660401 is about 484.3988030259.

The spelling of 113660401 in words is "one hundred thirteen million, six hundred sixty thousand, four hundred one".