112789 has 6 divisors (see below), whose sum is σ = 117366. Its totient is φ = 108360.

The previous prime is 112787. The next prime is 112799. The reversal of 112789 is 987211.

It can be written as a sum of positive squares in only one way, i.e., 66564 + 46225 = 258^2 + 215^2 .

It is not a de Polignac number, because 112789 - 2¹ = 112787 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is a nialpdrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112787) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1819 + ... + 1879.

It is an arithmetic number, because the mean of its divisors is an integer number (19561).

2¹¹²⁷⁸⁹ is an apocalyptic number.

It is an amenable number.

112789 is a deficient number, since it is larger than the sum of its proper divisors (4577).

112789 is an frugal number, since it uses more digits than its factorization.

112789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147 (or 104 counting only the distinct ones).

The product of its digits is 1008, while the sum is 28.

The square root of 112789 is about 335.8407360640. The cubic root of 112789 is about 48.3157711330.

The spelling of 112789 in words is "one hundred twelve thousand, seven hundred eighty-nine".