113424242 has 4 divisors (see below), whose sum is σ = 170136366. Its totient is φ = 56712120.

The previous prime is 113424211. The next prime is 113424251. The reversal of 113424242 is 242424311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 242424311 = 29 ⋅8359459.

It can be written as a sum of positive squares in only one way, i.e., 112126921 + 1297321 = 10589^2 + 1139^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28356059 + ... + 28356062.

Almost surely, 2^113424242 is an apocalyptic number.

113424242 is a deficient number, since it is larger than the sum of its proper divisors (56712124).

113424242 is an equidigital number, since it uses as much as digits as its factorization.

113424242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56712123.

The product of its digits is 1536, while the sum is 23.

The square root of 113424242 is about 10650.0817837235. The cubic root of 113424242 is about 484.0630822998.

Adding to 113424242 its reverse (242424311), we get a palindrome (355848553).

The spelling of 113424242 in words is "one hundred thirteen million, four hundred twenty-four thousand, two hundred forty-two".