120271139 has 2 divisors, whose sum is σ = 120271140. Its totient is φ = 120271138.

The previous prime is 120271079. The next prime is 120271147. The reversal of 120271139 is 931172021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 120271139 - 2⁸ = 120270883 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (120771139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60135569 + 60135570.

It is an arithmetic number, because the mean of its divisors is an integer number (60135570).

Almost surely, 2^120271139 is an apocalyptic number.

120271139 is a deficient number, since it is larger than the sum of its proper divisors (1).

120271139 is an equidigital number, since it uses as much as digits as its factorization.

120271139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 756, while the sum is 26.

The square root of 120271139 is about 10966.8199128097. The cubic root of 120271139 is about 493.6136277975.

The spelling of 120271139 in words is "one hundred twenty million, two hundred seventy-one thousand, one hundred thirty-nine".