120342239 has 2 divisors, whose sum is σ = 120342240. Its totient is φ = 120342238.

The previous prime is 120342223. The next prime is 120342253. The reversal of 120342239 is 932243021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 120342239 - 2⁴ = 120342223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120342259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60171119 + 60171120.

It is an arithmetic number, because the mean of its divisors is an integer number (60171120).

Almost surely, 2^120342239 is an apocalyptic number.

120342239 is a deficient number, since it is larger than the sum of its proper divisors (1).

120342239 is an equidigital number, since it uses as much as digits as its factorization.

120342239 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 120342239 is about 10970.0610299123. The cubic root of 120342239 is about 493.7108775497.

The spelling of 120342239 in words is "one hundred twenty million, three hundred forty-two thousand, two hundred thirty-nine".