120786979 has 2 divisors, whose sum is σ = 120786980. Its totient is φ = 120786978.

The previous prime is 120786949. The next prime is 120787027. The reversal of 120786979 is 979687021.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 120786979 - 2⁹ = 120786467 is a prime.

It is not a weakly prime, because it can be changed into another prime (120786949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60393489 + 60393490.

It is an arithmetic number, because the mean of its divisors is an integer number (60393490).

Almost surely, 2^120786979 is an apocalyptic number.

120786979 is a deficient number, since it is larger than the sum of its proper divisors (1).

120786979 is an equidigital number, since it uses as much as digits as its factorization.

120786979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 381024, while the sum is 49.

The square root of 120786979 is about 10990.3129618769. The cubic root of 120786979 is about 494.3183202478.

The spelling of 120786979 in words is "one hundred twenty million, seven hundred eighty-six thousand, nine hundred seventy-nine".