120770509 has 6 divisors (see below), whose sum is σ = 121293770. Its totient is φ = 120249456.

The previous prime is 120770501. The next prime is 120770521. The reversal of 120770509 is 905077021.

It can be written as a sum of positive squares in 3 ways, for example, as 1633284 + 119137225 = 1278^2 + 10915^2 .

It is not a de Polignac number, because 120770509 - 2³ = 120770501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120770501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 71527 + ... + 73195.

Almost surely, 2^120770509 is an apocalyptic number.

It is an amenable number.

120770509 is a deficient number, since it is larger than the sum of its proper divisors (523261).

120770509 is an frugal number, since it uses more digits than its factorization.

120770509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2207 (or 1938 counting only the distinct ones).

The product of its (nonzero) digits is 4410, while the sum is 31.

The square root of 120770509 is about 10989.5636401087. The cubic root of 120770509 is about 494.2958515102.

The spelling of 120770509 in words is "one hundred twenty million, seven hundred seventy thousand, five hundred nine".