112857 has 4 divisors (see below), whose sum is σ = 150480. Its totient is φ = 75236.

The previous prime is 112843. The next prime is 112859. The reversal of 112857 is 758211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 758211 = 3 ⋅252737.

It is a cyclic number.

It is not a de Polignac number, because 112857 - 2⁸ = 112601 is a prime.

It is a D-number.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (112859) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18807 + ... + 18812.

It is an arithmetic number, because the mean of its divisors is an integer number (37620).

2¹¹²⁸⁵⁷ is an apocalyptic number.

It is an amenable number.

112857 is a deficient number, since it is larger than the sum of its proper divisors (37623).

112857 is an equidigital number, since it uses as much as digits as its factorization.

112857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37622.

The product of its digits is 560, while the sum is 24.

The square root of 112857 is about 335.9419592727. The cubic root of 112857 is about 48.3254789721.

It can be divided in two parts, 112 and 857, that added together give a palindrome (969).

The spelling of 112857 in words is "one hundred twelve thousand, eight hundred fifty-seven".