102001199 has 2 divisors, whose sum is σ = 102001200. Its totient is φ = 102001198.

The previous prime is 102001189. The next prime is 102001201. The reversal of 102001199 is 991100201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 102001199 - 2¹⁶ = 101935663 is a prime.

It is a Sophie Germain prime.

Together with 102001201, 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 (102001189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51000599 + 51000600.

It is an arithmetic number, because the mean of its divisors is an integer number (51000600).

Almost surely, 2^102001199 is an apocalyptic number.

102001199 is a deficient number, since it is larger than the sum of its proper divisors (1).

102001199 is an equidigital number, since it uses as much as digits as its factorization.

102001199 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162, while the sum is 23.

The square root of 102001199 is about 10099.5642975328. The cubic root of 102001199 is about 467.2347035872.

The spelling of 102001199 in words is "one hundred two million, one thousand, one hundred ninety-nine".