112311729 has 12 divisors (see below), whose sum is σ = 167461632. Its totient is φ = 72459000.

The previous prime is 112311721. The next prime is 112311733. The reversal of 112311729 is 927113211.

It is not a de Polignac number, because 112311729 - 2³ = 112311721 is a prime.

It is a super-2 number, since 2×112311729² = 25227848941938882, which contains 22 as substring.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (112311721) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 200997 + ... + 201554.

It is an arithmetic number, because the mean of its divisors is an integer number (13955136).

Almost surely, 2^112311729 is an apocalyptic number.

It is an amenable number.

112311729 is a deficient number, since it is larger than the sum of its proper divisors (55149903).

112311729 is a wasteful number, since it uses less digits than its factorization.

112311729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402588 (or 402585 counting only the distinct ones).

The product of its digits is 756, while the sum is 27.

The square root of 112311729 is about 10597.7228214367. The cubic root of 112311729 is about 482.4752476407.

The spelling of 112311729 in words is "one hundred twelve million, three hundred eleven thousand, seven hundred twenty-nine".