112291 has 2 divisors, whose sum is σ = 112292. Its totient is φ = 112290.

The previous prime is 112289. The next prime is 112297. The reversal of 112291 is 192211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 112291 - 2¹ = 112289 is a prime.

Together with 112289, it forms a pair of twin primes.

112291 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (112297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56145 + 56146.

It is an arithmetic number, because the mean of its divisors is an integer number (56146).

2¹¹²²⁹¹ is an apocalyptic number.

112291 is a deficient number, since it is larger than the sum of its proper divisors (1).

112291 is an equidigital number, since it uses as much as digits as its factorization.

112291 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36, while the sum is 16.

The square root of 112291 is about 335.0984929838. The cubic root of 112291 is about 48.2445562867.

The spelling of 112291 in words is "one hundred twelve thousand, two hundred ninety-one".