102041999 has 2 divisors, whose sum is σ = 102042000. Its totient is φ = 102041998.

The previous prime is 102041977. The next prime is 102042001. The reversal of 102041999 is 999140201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 102041999 - 2²⁴ = 85264783 is a prime.

Together with 102042001, 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 (102041909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51020999 + 51021000.

It is an arithmetic number, because the mean of its divisors is an integer number (51021000).

Almost surely, 2^102041999 is an apocalyptic number.

102041999 is a deficient number, since it is larger than the sum of its proper divisors (1).

102041999 is an equidigital number, since it uses as much as digits as its factorization.

102041999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832, while the sum is 35.

The square root of 102041999 is about 10101.5839847026. The cubic root of 102041999 is about 467.2969925110.

The spelling of 102041999 in words is "one hundred two million, forty-one thousand, nine hundred ninety-nine".