112779 has 8 divisors (see below), whose sum is σ = 167120. Its totient is φ = 75168.

The previous prime is 112771. The next prime is 112787. The reversal of 112779 is 977211.

It is an interprime number because it is at equal distance from previous prime (112771) and next prime (112787).

It is not a de Polignac number, because 112779 - 2³ = 112771 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 4177 = 112779 / (1 + 1 + 2 + 7 + 7 + 9).

It is a Duffinian number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (112771) 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, 2062 + ... + 2115.

It is an arithmetic number, because the mean of its divisors is an integer number (20890).

2¹¹²⁷⁷⁹ is an apocalyptic number.

112779 is a deficient number, since it is larger than the sum of its proper divisors (54341).

112779 is an equidigital number, since it uses as much as digits as its factorization.

112779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4186 (or 4180 counting only the distinct ones).

The product of its digits is 882, while the sum is 27.

The square root of 112779 is about 335.8258477247. The cubic root of 112779 is about 48.3143431805.

The spelling of 112779 in words is "one hundred twelve thousand, seven hundred seventy-nine".