120007009 has 4 divisors (see below), whose sum is σ = 120120340. Its totient is φ = 119893680.

The previous prime is 120007001. The next prime is 120007033. The reversal of 120007009 is 900700021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 99440784 + 20566225 = 9972^2 + 4535^2 .

It is a cyclic number.

It is not a de Polignac number, because 120007009 - 2³ = 120007001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120007001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55062 + ... + 57199.

It is an arithmetic number, because the mean of its divisors is an integer number (30030085).

Almost surely, 2^120007009 is an apocalyptic number.

It is an amenable number.

120007009 is a deficient number, since it is larger than the sum of its proper divisors (113331).

120007009 is a wasteful number, since it uses less digits than its factorization.

120007009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113330.

The product of its (nonzero) digits is 126, while the sum is 19.

The square root of 120007009 is about 10954.7710610492. The cubic root of 120007009 is about 493.2520178349.

The spelling of 120007009 in words is "one hundred twenty million, seven thousand, nine".