120102863 has 2 divisors, whose sum is σ = 120102864. Its totient is φ = 120102862.

The previous prime is 120102821. The next prime is 120102869. The reversal of 120102863 is 368201021.

It is a strong prime.

It is an emirp because it is prime and its reverse (368201021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 120102863 - 2⁸ = 120102607 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120102869) 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, 60051431 + 60051432.

It is an arithmetic number, because the mean of its divisors is an integer number (60051432).

Almost surely, 2^120102863 is an apocalyptic number.

120102863 is a deficient number, since it is larger than the sum of its proper divisors (1).

120102863 is an equidigital number, since it uses as much as digits as its factorization.

120102863 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 120102863 is about 10959.1451765181. The cubic root of 120102863 is about 493.3833090452.

Adding to 120102863 its reverse (368201021), we get a palindrome (488303884).

The spelling of 120102863 in words is "one hundred twenty million, one hundred two thousand, eight hundred sixty-three".