112691 has 2 divisors, whose sum is σ = 112692. Its totient is φ = 112690.

The previous prime is 112687. The next prime is 112741. The reversal of 112691 is 196211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 112691 - 2² = 112687 is a prime.

It is a super-2 number, since 2×112691² = 25398522962, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (112601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56345 + 56346.

It is an arithmetic number, because the mean of its divisors is an integer number (56346).

2¹¹²⁶⁹¹ is an apocalyptic number.

112691 is a deficient number, since it is larger than the sum of its proper divisors (1).

112691 is an equidigital number, since it uses as much as digits as its factorization.

112691 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108, while the sum is 20.

The square root of 112691 is about 335.6948018662. The cubic root of 112691 is about 48.3017735576.

The spelling of 112691 in words is "one hundred twelve thousand, six hundred ninety-one".