112239 has 8 divisors (see below), whose sum is σ = 166320. Its totient is φ = 74808.

The previous prime is 112237. The next prime is 112241. The reversal of 112239 is 932211.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (112237) and next prime (112241).

It is not a de Polignac number, because 112239 - 2¹ = 112237 is a prime.

112239 is a lucky number.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112237) 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, 2052 + ... + 2105.

It is an arithmetic number, because the mean of its divisors is an integer number (20790).

2¹¹²²³⁹ is an apocalyptic number.

112239 is a deficient number, since it is larger than the sum of its proper divisors (54081).

112239 is an equidigital number, since it uses as much as digits as its factorization.

112239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4166 (or 4160 counting only the distinct ones).

The product of its digits is 108, while the sum is 18.

The square root of 112239 is about 335.0208948708. The cubic root of 112239 is about 48.2371080665.

It can be divided in two parts, 112 and 239, that added together give a triangular number (351 = T₂₆).

The spelling of 112239 in words is "one hundred twelve thousand, two hundred thirty-nine".