120102239 has 2 divisors, whose sum is σ = 120102240. Its totient is φ = 120102238.

The previous prime is 120102209. The next prime is 120102319. The reversal of 120102239 is 932201021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 120102239 - 2²⁰ = 119053663 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 120102239.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120102209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60051119 + 60051120.

It is an arithmetic number, because the mean of its divisors is an integer number (60051120).

Almost surely, 2^120102239 is an apocalyptic number.

120102239 is a deficient number, since it is larger than the sum of its proper divisors (1).

120102239 is an equidigital number, since it uses as much as digits as its factorization.

120102239 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 120102239 is about 10959.1167071074. The cubic root of 120102239 is about 493.3824545784.

The spelling of 120102239 in words is "one hundred twenty million, one hundred two thousand, two hundred thirty-nine".