112399 has 4 divisors (see below), whose sum is σ = 128464. Its totient is φ = 96336.

The previous prime is 112397. The next prime is 112403. The reversal of 112399 is 993211.

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

It is a cyclic number.

It is not a de Polignac number, because 112399 - 2¹ = 112397 is a prime.

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 (112397) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 8022 + ... + 8035.

It is an arithmetic number, because the mean of its divisors is an integer number (32116).

2¹¹²³⁹⁹ is an apocalyptic number.

112399 is a deficient number, since it is larger than the sum of its proper divisors (16065).

112399 is an equidigital number, since it uses as much as digits as its factorization.

112399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16064.

The product of its digits is 486, while the sum is 25.

The square root of 112399 is about 335.2596009065. The cubic root of 112399 is about 48.2600183229.

The spelling of 112399 in words is "one hundred twelve thousand, three hundred ninety-nine".