113242555 has 8 divisors (see below), whose sum is σ = 136116432. Its totient is φ = 90443808.

The previous prime is 113242537. The next prime is 113242567. The reversal of 113242555 is 555242311.

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 113242555 - 2⁵ = 113242523 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15409 + ... + 21538.

It is an arithmetic number, because the mean of its divisors is an integer number (17014554).

Almost surely, 2^113242555 is an apocalyptic number.

113242555 is a deficient number, since it is larger than the sum of its proper divisors (22873877).

113242555 is an equidigital number, since it uses as much as digits as its factorization.

113242555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37565.

The product of its digits is 6000, while the sum is 28.

The square root of 113242555 is about 10641.5485245334. The cubic root of 113242555 is about 483.8044809964.

Adding to 113242555 its reverse (555242311), we get a palindrome (668484866).

The spelling of 113242555 in words is "one hundred thirteen million, two hundred forty-two thousand, five hundred fifty-five".