120839959 has 2 divisors, whose sum is σ = 120839960. Its totient is φ = 120839958.

The previous prime is 120839923. The next prime is 120839969. The reversal of 120839959 is 959938021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 120839959 - 2¹¹ = 120837911 is a prime.

It is a super-2 number, since 2×120839959² = 29204591382243362, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120839969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60419979 + 60419980.

It is an arithmetic number, because the mean of its divisors is an integer number (60419980).

Almost surely, 2^120839959 is an apocalyptic number.

120839959 is a deficient number, since it is larger than the sum of its proper divisors (1).

120839959 is an equidigital number, since it uses as much as digits as its factorization.

120839959 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 174960, while the sum is 46.

The square root of 120839959 is about 10992.7230020591. The cubic root of 120839959 is about 494.3905828838.

The spelling of 120839959 in words is "one hundred twenty million, eight hundred thirty-nine thousand, nine hundred fifty-nine".