120616409 has 8 divisors (see below), whose sum is σ = 121779840. Its totient is φ = 119458800.

The previous prime is 120616387. The next prime is 120616417. The reversal of 120616409 is 904616021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 120616409 - 2²⁴ = 103839193 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (120616469) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47822 + ... + 50280.

It is an arithmetic number, because the mean of its divisors is an integer number (15222480).

Almost surely, 2^120616409 is an apocalyptic number.

It is an amenable number.

120616409 is a deficient number, since it is larger than the sum of its proper divisors (1163431).

120616409 is a wasteful number, since it uses less digits than its factorization.

120616409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2911.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 120616409 is about 10982.5502047566. The cubic root of 120616409 is about 494.0855258501.

The spelling of 120616409 in words is "one hundred twenty million, six hundred sixteen thousand, four hundred nine".