113401 has 4 divisors (see below), whose sum is σ = 114304. Its totient is φ = 112500.

The previous prime is 113383. The next prime is 113417. The reversal of 113401 is 104311.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a 3-Lehmer number, since φ(113401) divides (113401-1)³.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113401 is a prime.

It is a Duffinian number.

113401 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (113501) 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, 225 + ... + 526.

It is an arithmetic number, because the mean of its divisors is an integer number (28576).

2¹¹³⁴⁰¹ is an apocalyptic number.

It is an amenable number.

113401 is a deficient number, since it is larger than the sum of its proper divisors (903).

113401 is an equidigital number, since it uses as much as digits as its factorization.

113401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 902.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 113401 is about 336.7506495911. The cubic root of 113401 is about 48.4030016580.

Adding to 113401 its reverse (104311), we get a palindrome (217712).

The spelling of 113401 in words is "one hundred thirteen thousand, four hundred one".