120709871 has 2 divisors, whose sum is σ = 120709872. Its totient is φ = 120709870.

The previous prime is 120709829. The next prime is 120709879. The reversal of 120709871 is 178907021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 120709871 - 2²⁶ = 53601007 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120709879) 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, 60354935 + 60354936.

It is an arithmetic number, because the mean of its divisors is an integer number (60354936).

Almost surely, 2^120709871 is an apocalyptic number.

120709871 is a deficient number, since it is larger than the sum of its proper divisors (1).

120709871 is an equidigital number, since it uses as much as digits as its factorization.

120709871 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7056, while the sum is 35.

The square root of 120709871 is about 10986.8044034651. The cubic root of 120709871 is about 494.2131102021.

The spelling of 120709871 in words is "one hundred twenty million, seven hundred nine thousand, eight hundred seventy-one".