120039009 has 8 divisors (see below), whose sum is σ = 162441120. Its totient is φ = 78831456.

The previous prime is 120038969. The next prime is 120039041. The reversal of 120039009 is 900930021.

It is a happy number.

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

It is not a de Polignac number, because 120039009 - 2⁸ = 120038753 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 120039009.

It is not an unprimeable number, because it can be changed into a prime (120039209) 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, 298404 + ... + 298805.

It is an arithmetic number, because the mean of its divisors is an integer number (20305140).

Almost surely, 2^120039009 is an apocalyptic number.

It is an amenable number.

120039009 is a deficient number, since it is larger than the sum of its proper divisors (42402111).

120039009 is an equidigital number, since it uses as much as digits as its factorization.

120039009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 597279.

The product of its (nonzero) digits is 486, while the sum is 24.

The square root of 120039009 is about 10956.2315145309. The cubic root of 120039009 is about 493.2958560017.

It can be divided in two parts, 12003 and 9009, that added together give a palindrome (21012).

The spelling of 120039009 in words is "one hundred twenty million, thirty-nine thousand, nine".