113021612 has 12 divisors (see below), whose sum is σ = 215768616. Its totient is φ = 51373440.

The previous prime is 113021603. The next prime is 113021617. The reversal of 113021612 is 216120311.

It is not an unprimeable number, because it can be changed into a prime (113021617) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1284293 + ... + 1284380.

It is an arithmetic number, because the mean of its divisors is an integer number (17980718).

Almost surely, 2^113021612 is an apocalyptic number.

It is an amenable number.

113021612 is a deficient number, since it is larger than the sum of its proper divisors (102747004).

113021612 is a wasteful number, since it uses less digits than its factorization.

113021612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2568688 (or 2568686 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 113021612 is about 10631.1623071045. The cubic root of 113021612 is about 483.4896323153.

Adding to 113021612 its reverse (216120311), we get a palindrome (329141923).

The spelling of 113021612 in words is "one hundred thirteen million, twenty-one thousand, six hundred twelve".