107182991 has 2 divisors, whose sum is σ = 107182992. Its totient is φ = 107182990.

The previous prime is 107182987. The next prime is 107182993. The reversal of 107182991 is 199281701.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 107182991 - 2² = 107182987 is a prime.

It is a super-2 number, since 2×107182991² = 22976387119412162, which contains 22 as substring.

Together with 107182993, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (107182993) 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, 53591495 + 53591496.

It is an arithmetic number, because the mean of its divisors is an integer number (53591496).

Almost surely, 2^107182991 is an apocalyptic number.

107182991 is a deficient number, since it is larger than the sum of its proper divisors (1).

107182991 is an equidigital number, since it uses as much as digits as its factorization.

107182991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 38.

The square root of 107182991 is about 10352.9218581036. The cubic root of 107182991 is about 475.0164219623.

The spelling of 107182991 in words is "one hundred seven million, one hundred eighty-two thousand, nine hundred ninety-one".