113242515 has 16 divisors (see below), whose sum is σ = 183741696. Its totient is φ = 59544800.

The previous prime is 113242511. The next prime is 113242523. The reversal of 113242515 is 515242311.

It is a happy number.

It is not a de Polignac number, because 113242515 - 2² = 113242511 is a prime.

It is not an unprimeable number, because it can be changed into a prime (113242511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52101 + ... + 54230.

It is an arithmetic number, because the mean of its divisors is an integer number (11483856).

Almost surely, 2^113242515 is an apocalyptic number.

113242515 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

113242515 is a deficient number, since it is larger than the sum of its proper divisors (70499181).

113242515 is a wasteful number, since it uses less digits than its factorization.

113242515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106410.

The product of its digits is 1200, while the sum is 24.

The square root of 113242515 is about 10641.5466451076. The cubic root of 113242515 is about 483.8044240326.

Adding to 113242515 its reverse (515242311), we get a palindrome (628484826).

The spelling of 113242515 in words is "one hundred thirteen million, two hundred forty-two thousand, five hundred fifteen".