107081999 has 2 divisors, whose sum is σ = 107082000. Its totient is φ = 107081998.

The previous prime is 107081981. The next prime is 107082061. The reversal of 107081999 is 999180701.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-107081999 is a prime.

It is a super-2 number, since 2×107081999² = 22933109019672002, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (107081969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53540999 + 53541000.

It is an arithmetic number, because the mean of its divisors is an integer number (53541000).

Almost surely, 2^107081999 is an apocalyptic number.

107081999 is a deficient number, since it is larger than the sum of its proper divisors (1).

107081999 is an equidigital number, since it uses as much as digits as its factorization.

107081999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40824, while the sum is 44.

The square root of 107081999 is about 10348.0432449811. The cubic root of 107081999 is about 474.8671820713.

The spelling of 107081999 in words is "one hundred seven million, eighty-one thousand, nine hundred ninety-nine".