102789119 has 2 divisors, whose sum is σ = 102789120. Its totient is φ = 102789118.

The previous prime is 102789103. The next prime is 102789131. The reversal of 102789119 is 911987201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 102789119 - 2⁴ = 102789103 is a prime.

It is a super-2 number, since 2×102789119² = 21131205969592322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102789179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51394559 + 51394560.

It is an arithmetic number, because the mean of its divisors is an integer number (51394560).

Almost surely, 2^102789119 is an apocalyptic number.

102789119 is a deficient number, since it is larger than the sum of its proper divisors (1).

102789119 is an equidigital number, since it uses as much as digits as its factorization.

102789119 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 38.

The square root of 102789119 is about 10138.4968807018. The cubic root of 102789119 is about 468.4346884761.

The spelling of 102789119 in words is "one hundred two million, seven hundred eighty-nine thousand, one hundred nineteen".