120596409 has 6 divisors (see below), whose sum is σ = 174194826. Its totient is φ = 80397600.

The previous prime is 120596389. The next prime is 120596447. The reversal of 120596409 is 904695021.

120596409 is a `hidden beast` number, since 1 + 2 + 0 + 5 + 9 + 640 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 102576384 + 18020025 = 10128^2 + 4245^2 .

It is not a de Polignac number, because 120596409 - 2⁹ = 120595897 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120596459) 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, 6699792 + ... + 6699809.

It is an arithmetic number, because the mean of its divisors is an integer number (29032471).

Almost surely, 2^120596409 is an apocalyptic number.

It is an amenable number.

120596409 is a deficient number, since it is larger than the sum of its proper divisors (53598417).

120596409 is a wasteful number, since it uses less digits than its factorization.

120596409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13399607 (or 13399604 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 120596409 is about 10981.6396316761. The cubic root of 120596409 is about 494.0582154235.

The spelling of 120596409 in words is "one hundred twenty million, five hundred ninety-six thousand, four hundred nine".