112842 has 12 divisors (see below), whose sum is σ = 244530. Its totient is φ = 37608.

The previous prime is 112831. The next prime is 112843. The reversal of 112842 is 248211.

It can be written as a sum of positive squares in only one way, i.e., 103041 + 9801 = 321^2 + 99^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 6269 = 112842 / (1 + 1 + 2 + 8 + 4 + 2).

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (112843) 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, 3117 + ... + 3152.

2¹¹²⁸⁴² is an apocalyptic number.

112842 is an abundant number, since it is smaller than the sum of its proper divisors (131688).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

112842 is a wasteful number, since it uses less digits than its factorization.

112842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6277 (or 6274 counting only the distinct ones).

The product of its digits is 128, while the sum is 18.

The square root of 112842 is about 335.9196332458. The cubic root of 112842 is about 48.3233378723.

The spelling of 112842 in words is "one hundred twelve thousand, eight hundred forty-two".