100799 has 2 divisors, whose sum is σ = 100800. Its totient is φ = 100798.

The previous prime is 100787. The next prime is 100801. The reversal of 100799 is 997001.

It is a strong prime.

It is an emirp because it is prime and its reverse (997001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 100799 - 2¹² = 96703 is a prime.

It is a Sophie Germain prime.

Together with 100801, it forms a pair of twin primes.

It is a Chen prime.

It is a plaindrome in base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50399 + 50400.

It is an arithmetic number, because the mean of its divisors is an integer number (50400).

2¹⁰⁰⁷⁹⁹ is an apocalyptic number.

100799 is a deficient number, since it is larger than the sum of its proper divisors (1).

100799 is an equidigital number, since it uses as much as digits as its factorization.

100799 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 567, while the sum is 26.

The square root of 100799 is about 317.4885824719. The cubic root of 100799 is about 46.5391815286.

The spelling of 100799 in words is "one hundred thousand, seven hundred ninety-nine".