107999 has 2 divisors, whose sum is σ = 108000. Its totient is φ = 107998.

The previous prime is 107981. The next prime is 108007. The reversal of 107999 is 999701.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 107999 - 2¹² = 103903 is a prime.

It is a Chen prime.

107999 is a modest number, since divided by 999 gives 107 as remainder.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (107099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53999 + 54000.

It is an arithmetic number, because the mean of its divisors is an integer number (54000).

2¹⁰⁷⁹⁹⁹ is an apocalyptic number.

107999 is a deficient number, since it is larger than the sum of its proper divisors (1).

107999 is an equidigital number, since it uses as much as digits as its factorization.

107999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5103, while the sum is 35.

The square root of 107999 is about 328.6320130480. The cubic root of 107999 is about 47.6218845770.

The spelling of 107999 in words is "one hundred seven thousand, nine hundred ninety-nine".