113121532 has 12 divisors (see below), whose sum is σ = 198047416. Its totient is φ = 56536560.

The previous prime is 113121529. The next prime is 113121559. The reversal of 113121532 is 235121311.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8182 + ... + 17122.

Almost surely, 2^113121532 is an apocalyptic number.

It is an amenable number.

113121532 is a deficient number, since it is larger than the sum of its proper divisors (84925884).

113121532 is a wasteful number, since it uses less digits than its factorization.

113121532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12108 (or 12106 counting only the distinct ones).

The product of its digits is 180, while the sum is 19.

The square root of 113121532 is about 10635.8606609903. The cubic root of 113121532 is about 483.6320713100.

Adding to 113121532 its reverse (235121311), we get a palindrome (348242843).

The spelling of 113121532 in words is "one hundred thirteen million, one hundred twenty-one thousand, five hundred thirty-two".