112538 has 4 divisors (see below), whose sum is σ = 168810. Its totient is φ = 56268.

The previous prime is 112507. The next prime is 112543. The reversal of 112538 is 835211.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 61009 + 51529 = 247^2 + 227^2 .

It is a Curzon number.

It is an unprimeable number.

112538 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28133 + ... + 28136.

2¹¹²⁵³⁸ is an apocalyptic number.

112538 is a deficient number, since it is larger than the sum of its proper divisors (56272).

112538 is an equidigital number, since it uses as much as digits as its factorization.

112538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56271.

The product of its digits is 240, while the sum is 20.

The square root of 112538 is about 335.4668388977. The cubic root of 112538 is about 48.2799039661.

Adding to 112538 its reverse (835211), we get a palindrome (947749).

The spelling of 112538 in words is "one hundred twelve thousand, five hundred thirty-eight".