102995939 has 2 divisors, whose sum is σ = 102995940. Its totient is φ = 102995938.

The previous prime is 102995933. The next prime is 102995957. The reversal of 102995939 is 939599201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102995939 - 2²⁴ = 86218723 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 102995893 and 102995902.

It is not a weakly prime, because it can be changed into another prime (102995933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51497969 + 51497970.

It is an arithmetic number, because the mean of its divisors is an integer number (51497970).

Almost surely, 2^102995939 is an apocalyptic number.

102995939 is a deficient number, since it is larger than the sum of its proper divisors (1).

102995939 is an equidigital number, since it uses as much as digits as its factorization.

102995939 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 196830, while the sum is 47.

The square root of 102995939 is about 10148.6914920102. The cubic root of 102995939 is about 468.7486541235.

The spelling of 102995939 in words is "one hundred two million, nine hundred ninety-five thousand, nine hundred thirty-nine".