120666797 has 2 divisors, whose sum is σ = 120666798. Its totient is φ = 120666796.

The previous prime is 120666769. The next prime is 120666803. The reversal of 120666797 is 797666021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 117635716 + 3031081 = 10846^2 + 1741^2 .

It is a cyclic number.

It is not a de Polignac number, because 120666797 - 2⁸ = 120666541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120666757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60333398 + 60333399.

It is an arithmetic number, because the mean of its divisors is an integer number (60333399).

Almost surely, 2^120666797 is an apocalyptic number.

It is an amenable number.

120666797 is a deficient number, since it is larger than the sum of its proper divisors (1).

120666797 is an equidigital number, since it uses as much as digits as its factorization.

120666797 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 190512, while the sum is 44.

The square root of 120666797 is about 10984.8439679406. The cubic root of 120666797 is about 494.1543183571.

The spelling of 120666797 in words is "one hundred twenty million, six hundred sixty-six thousand, seven hundred ninety-seven".