113021142 has 16 divisors (see below), whose sum is σ = 243430320. Its totient is φ = 34775712.

The previous prime is 113021141. The next prime is 113021171. The reversal of 113021142 is 241120311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113021141) 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, 724417 + ... + 724572.

It is an arithmetic number, because the mean of its divisors is an integer number (15214395).

Almost surely, 2^113021142 is an apocalyptic number.

113021142 is an abundant number, since it is smaller than the sum of its proper divisors (130409178).

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

113021142 is a wasteful number, since it uses less digits than its factorization.

113021142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1449007.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 113021142 is about 10631.1402022549. The cubic root of 113021142 is about 483.4889621177.

Adding to 113021142 its reverse (241120311), we get a palindrome (354141453).

The spelling of 113021142 in words is "one hundred thirteen million, twenty-one thousand, one hundred forty-two".