112943 has 4 divisors (see below), whose sum is σ = 115128. Its totient is φ = 110760.

The previous prime is 112939. The next prime is 112951. The reversal of 112943 is 349211.

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 112943 - 2² = 112939 is a prime.

It is a super-2 number, since 2×112943² = 25512242498, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112913) 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, 1013 + ... + 1118.

It is an arithmetic number, because the mean of its divisors is an integer number (28782).

2¹¹²⁹⁴³ is an apocalyptic number.

112943 is a deficient number, since it is larger than the sum of its proper divisors (2185).

112943 is an equidigital number, since it uses as much as digits as its factorization.

112943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2184.

The product of its digits is 216, while the sum is 20.

The square root of 112943 is about 336.0699331984. The cubic root of 112943 is about 48.3377509504.

The spelling of 112943 in words is "one hundred twelve thousand, nine hundred forty-three".