113124042 has 12 divisors (see below), whose sum is σ = 245102130. Its totient is φ = 37708008.

The previous prime is 113124031. The next prime is 113124049. The reversal of 113124042 is 240421311.

It can be written as a sum of positive squares in only one way, i.e., 96648561 + 16475481 = 9831^2 + 4059^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 6284669 = 113124042 / (1 + 1 + 3 + 1 + 2 + 4 + 0 + 4 + 2).

It is not an unprimeable number, because it can be changed into a prime (113124049) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3142317 + ... + 3142352.

Almost surely, 2^113124042 is an apocalyptic number.

113124042 is an abundant number, since it is smaller than the sum of its proper divisors (131978088).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

113124042 is a wasteful number, since it uses less digits than its factorization.

113124042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6284677 (or 6284674 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 113124042 is about 10635.9786573686. The cubic root of 113124042 is about 483.6356483110.

Adding to 113124042 its reverse (240421311), we get a palindrome (353545353).

The spelling of 113124042 in words is "one hundred thirteen million, one hundred twenty-four thousand, forty-two".