116230991 has 2 divisors, whose sum is σ = 116230992. Its totient is φ = 116230990.

The previous prime is 116230987. The next prime is 116231033. The reversal of 116230991 is 199032611.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 116230991 - 2² = 116230987 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (116230931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58115495 + 58115496.

It is an arithmetic number, because the mean of its divisors is an integer number (58115496).

Almost surely, 2^116230991 is an apocalyptic number.

116230991 is a deficient number, since it is larger than the sum of its proper divisors (1).

116230991 is an equidigital number, since it uses as much as digits as its factorization.

116230991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2916, while the sum is 32.

The square root of 116230991 is about 10781.0477691178. The cubic root of 116230991 is about 488.0234006852.

The spelling of 116230991 in words is "one hundred sixteen million, two hundred thirty thousand, nine hundred ninety-one".