102359819 has 2 divisors, whose sum is σ = 102359820. Its totient is φ = 102359818.

The previous prime is 102359809. The next prime is 102359837. The reversal of 102359819 is 918953201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102359819 - 2²⁴ = 85582603 is a prime.

It is a super-2 number, since 2×102359819² = 20955065091425522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (102359809) 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, 51179909 + 51179910.

It is an arithmetic number, because the mean of its divisors is an integer number (51179910).

Almost surely, 2^102359819 is an apocalyptic number.

102359819 is a deficient number, since it is larger than the sum of its proper divisors (1).

102359819 is an equidigital number, since it uses as much as digits as its factorization.

102359819 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19440, while the sum is 38.

The square root of 102359819 is about 10117.3029508857. The cubic root of 102359819 is about 467.7816374227.

The spelling of 102359819 in words is "one hundred two million, three hundred fifty-nine thousand, eight hundred nineteen".