102411839 has 2 divisors, whose sum is σ = 102411840. Its totient is φ = 102411838.

The previous prime is 102411833. The next prime is 102411851. The reversal of 102411839 is 938114201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102411839 - 2⁸ = 102411583 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102411833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51205919 + 51205920.

It is an arithmetic number, because the mean of its divisors is an integer number (51205920).

Almost surely, 2^102411839 is an apocalyptic number.

102411839 is a deficient number, since it is larger than the sum of its proper divisors (1).

102411839 is an equidigital number, since it uses as much as digits as its factorization.

102411839 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 102411839 is about 10119.8734675884. The cubic root of 102411839 is about 467.8608673391.

The spelling of 102411839 in words is "one hundred two million, four hundred eleven thousand, eight hundred thirty-nine".