113521043 has 8 divisors (see below), whose sum is σ = 115207488. Its totient is φ = 111846784.

The previous prime is 113521021. The next prime is 113521073. The reversal of 113521043 is 340125311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 113521043 - 2²⁴ = 96743827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113521073) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16646 + ... + 22452.

It is an arithmetic number, because the mean of its divisors is an integer number (14400936).

Almost surely, 2^113521043 is an apocalyptic number.

113521043 is a deficient number, since it is larger than the sum of its proper divisors (1686445).

113521043 is a wasteful number, since it uses less digits than its factorization.

113521043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6093.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 113521043 is about 10654.6254274845. The cubic root of 113521043 is about 484.2007497149.

Adding to 113521043 its reverse (340125311), we get a palindrome (453646354).

The spelling of 113521043 in words is "one hundred thirteen million, five hundred twenty-one thousand, forty-three".