120328689 has 8 divisors (see below), whose sum is σ = 172779712. Its totient is φ = 74048400.

The previous prime is 120328687. The next prime is 120328711. The reversal of 120328689 is 986823021.

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 120328689 - 2¹ = 120328687 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 3085351 = 120328689 / (1 + 2 + 0 + 3 + 2 + 8 + 6 + 8 + 9).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120328687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1542637 + ... + 1542714.

It is an arithmetic number, because the mean of its divisors is an integer number (21597464).

Almost surely, 2^120328689 is an apocalyptic number.

It is an amenable number.

120328689 is a deficient number, since it is larger than the sum of its proper divisors (52451023).

120328689 is a wasteful number, since it uses less digits than its factorization.

120328689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3085367.

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 120328689 is about 10969.4434225260. The cubic root of 120328689 is about 493.6923469724.

It can be divided in two parts, 1203 and 28689, that added together give a palindrome (29892).

The spelling of 120328689 in words is "one hundred twenty million, three hundred twenty-eight thousand, six hundred eighty-nine".