113101405 has 4 divisors (see below), whose sum is σ = 135721692. Its totient is φ = 90481120.

The previous prime is 113101403. The next prime is 113101409. The reversal of 113101405 is 504101311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 504101311 = 7 ⋅72014473.

It can be written as a sum of positive squares in 2 ways, for example, as 24383844 + 88717561 = 4938^2 + 9419^2 .

It is not a de Polignac number, because 113101405 - 2¹ = 113101403 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113101403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11310136 + ... + 11310145.

It is an arithmetic number, because the mean of its divisors is an integer number (33930423).

Almost surely, 2^113101405 is an apocalyptic number.

It is an amenable number.

113101405 is a deficient number, since it is larger than the sum of its proper divisors (22620287).

113101405 is an equidigital number, since it uses as much as digits as its factorization.

113101405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22620286.

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 113101405 is about 10634.9144331302. The cubic root of 113101405 is about 483.6033864083.

Adding to 113101405 its reverse (504101311), we get a palindrome (617202716).

The spelling of 113101405 in words is "one hundred thirteen million, one hundred one thousand, four hundred five".