113442041 has 4 divisors (see below), whose sum is σ = 116080272. Its totient is φ = 110803812.

The previous prime is 113442023. The next prime is 113442047. The reversal of 113442041 is 140244311.

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 an emirpimes, since its reverse is a distinct semiprime: 140244311 = 6329 ⋅22159.

It is a cyclic number.

It is not a de Polignac number, because 113442041 - 2²² = 109247737 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (113442047) 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, 1319051 + ... + 1319136.

It is an arithmetic number, because the mean of its divisors is an integer number (29020068).

Almost surely, 2^113442041 is an apocalyptic number.

It is an amenable number.

113442041 is a deficient number, since it is larger than the sum of its proper divisors (2638231).

113442041 is an equidigital number, since it uses as much as digits as its factorization.

113442041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2638230.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 113442041 is about 10650.9173783294. The cubic root of 113442041 is about 484.0884013675.

Adding to 113442041 its reverse (140244311), we get a palindrome (253686352).

The spelling of 113442041 in words is "one hundred thirteen million, four hundred forty-two thousand, forty-one".