112731729 has 16 divisors (see below), whose sum is σ = 169629120. Its totient is φ = 65965760.

The previous prime is 112731719. The next prime is 112731733. The reversal of 112731729 is 927137211.

It is a cyclic number.

It is not a de Polignac number, because 112731729 - 2⁷ = 112731601 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a self number, because there is not a number n which added to its sum of digits gives 112731729.

It is not an unprimeable number, because it can be changed into a prime (112731719) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57942 + ... + 59855.

It is an arithmetic number, because the mean of its divisors is an integer number (10601820).

Almost surely, 2^112731729 is an apocalyptic number.

It is an amenable number.

112731729 is a deficient number, since it is larger than the sum of its proper divisors (56897391).

112731729 is a wasteful number, since it uses less digits than its factorization.

112731729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117840.

The product of its digits is 5292, while the sum is 33.

The square root of 112731729 is about 10617.5199081518. The cubic root of 112731729 is about 483.0759196359.

The spelling of 112731729 in words is "one hundred twelve million, seven hundred thirty-one thousand, seven hundred twenty-nine".