120409797 has 8 divisors (see below), whose sum is σ = 165725440. Its totient is φ = 77683680.

The previous prime is 120409771. The next prime is 120409813. The reversal of 120409797 is 797904021.

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

It is not a de Polignac number, because 120409797 - 2¹⁹ = 119885509 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 (120409717) 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, 647272 + ... + 647457.

It is an arithmetic number, because the mean of its divisors is an integer number (20715680).

Almost surely, 2^120409797 is an apocalyptic number.

It is an amenable number.

120409797 is a deficient number, since it is larger than the sum of its proper divisors (45315643).

120409797 is a wasteful number, since it uses less digits than its factorization.

120409797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1294763.

The product of its (nonzero) digits is 31752, while the sum is 39.

The square root of 120409797 is about 10973.1397967947. The cubic root of 120409797 is about 493.8032471123.

The spelling of 120409797 in words is "one hundred twenty million, four hundred nine thousand, seven hundred ninety-seven".