113205642 has 16 divisors (see below), whose sum is σ = 246994272. Its totient is φ = 34304720.

The previous prime is 113205623. The next prime is 113205649. The reversal of 113205642 is 246502311.

It is not an unprimeable number, because it can be changed into a prime (113205649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 857553 + ... + 857684.

It is an arithmetic number, because the mean of its divisors is an integer number (15437142).

Almost surely, 2^113205642 is an apocalyptic number.

113205642 is an abundant number, since it is smaller than the sum of its proper divisors (133788630).

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

113205642 is a wasteful number, since it uses less digits than its factorization.

113205642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1715253.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 113205642 is about 10639.8140021337. The cubic root of 113205642 is about 483.7519076636.

Adding to 113205642 its reverse (246502311), we get a palindrome (359707953).

The spelling of 113205642 in words is "one hundred thirteen million, two hundred five thousand, six hundred forty-two".