112739 has 8 divisors (see below), whose sum is σ = 126768. Its totient is φ = 99360.

The previous prime is 112691. The next prime is 112741. The reversal of 112739 is 937211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 112739 - 2¹² = 108643 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112759) 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, 269 + ... + 545.

It is an arithmetic number, because the mean of its divisors is an integer number (15846).

2¹¹²⁷³⁹ is an apocalyptic number.

112739 is a deficient number, since it is larger than the sum of its proper divisors (14029).

112739 is a wasteful number, since it uses less digits than its factorization.

112739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325.

The product of its digits is 378, while the sum is 23.

The square root of 112739 is about 335.7662877658. The cubic root of 112739 is about 48.3086305264.

The spelling of 112739 in words is "one hundred twelve thousand, seven hundred thirty-nine".