120665759 has 2 divisors, whose sum is σ = 120665760. Its totient is φ = 120665758.

The previous prime is 120665737. The next prime is 120665771. The reversal of 120665759 is 957566021.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120665759 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120665159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60332879 + 60332880.

It is an arithmetic number, because the mean of its divisors is an integer number (60332880).

Almost surely, 2^120665759 is an apocalyptic number.

120665759 is a deficient number, since it is larger than the sum of its proper divisors (1).

120665759 is an equidigital number, since it uses as much as digits as its factorization.

120665759 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 113400, while the sum is 41.

The square root of 120665759 is about 10984.7967209230. The cubic root of 120665759 is about 494.1529014148.

The spelling of 120665759 in words is "one hundred twenty million, six hundred sixty-five thousand, seven hundred fifty-nine".