120404709 has 6 divisors (see below), whose sum is σ = 173917926. Its totient is φ = 80269800.

The previous prime is 120404689. The next prime is 120404717. The reversal of 120404709 is 907404021.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 116316225 + 4088484 = 10785^2 + 2022^2 .

It is not a de Polignac number, because 120404709 - 2¹⁹ = 119880421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120404749) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6689142 + ... + 6689159.

It is an arithmetic number, because the mean of its divisors is an integer number (28986321).

Almost surely, 2^120404709 is an apocalyptic number.

It is an amenable number.

120404709 is a deficient number, since it is larger than the sum of its proper divisors (53513217).

120404709 is a wasteful number, since it uses less digits than its factorization.

120404709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13378307 (or 13378304 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 120404709 is about 10972.9079555057. The cubic root of 120404709 is about 493.7962916807.

The spelling of 120404709 in words is "one hundred twenty million, four hundred four thousand, seven hundred nine".