120667769 has 2 divisors, whose sum is σ = 120667770. Its totient is φ = 120667768.

The previous prime is 120667741. The next prime is 120667777. The reversal of 120667769 is 967766021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 118810000 + 1857769 = 10900^2 + 1363^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120667769 is a prime.

It is a super-2 number, since 2×120667769² = 29121420950874722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (120667369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60333884 + 60333885.

It is an arithmetic number, because the mean of its divisors is an integer number (60333885).

Almost surely, 2^120667769 is an apocalyptic number.

It is an amenable number.

120667769 is a deficient number, since it is larger than the sum of its proper divisors (1).

120667769 is an equidigital number, since it uses as much as digits as its factorization.

120667769 is an evil number, because the sum of its binary digits is even.

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

The square root of 120667769 is about 10984.8882106283. Note that the first 3 decimals coincide. The cubic root of 120667769 is about 494.1556451974.

The spelling of 120667769 in words is "one hundred twenty million, six hundred sixty-seven thousand, seven hundred sixty-nine".