120779369 has 2 divisors, whose sum is σ = 120779370. Its totient is φ = 120779368.

The previous prime is 120779363. The next prime is 120779377. The reversal of 120779369 is 963977021.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 97614400 + 23164969 = 9880^2 + 4813^2 .

It is a cyclic number.

It is not a de Polignac number, because 120779369 - 2¹² = 120775273 is a prime.

It is a super-2 number, since 2×120779369² = 29175311952076322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (120779363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60389684 + 60389685.

It is an arithmetic number, because the mean of its divisors is an integer number (60389685).

Almost surely, 2^120779369 is an apocalyptic number.

It is an amenable number.

120779369 is a deficient number, since it is larger than the sum of its proper divisors (1).

120779369 is an equidigital number, since it uses as much as digits as its factorization.

120779369 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 142884, while the sum is 44.

The square root of 120779369 is about 10989.9667424429. The cubic root of 120779369 is about 494.3079387717.

The spelling of 120779369 in words is "one hundred twenty million, seven hundred seventy-nine thousand, three hundred sixty-nine".