120321289 has 8 divisors (see below), whose sum is σ = 133736832. Its totient is φ = 107318640.

The previous prime is 120321287. The next prime is 120321307. The reversal of 120321289 is 982123021.

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

It is not a de Polignac number, because 120321289 - 2¹ = 120321287 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120321283) 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, 102609 + ... + 103774.

It is an arithmetic number, because the mean of its divisors is an integer number (16717104).

Almost surely, 2^120321289 is an apocalyptic number.

It is an amenable number.

120321289 is a deficient number, since it is larger than the sum of its proper divisors (13415543).

120321289 is a wasteful number, since it uses less digits than its factorization.

120321289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206447.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 120321289 is about 10969.1061167262. The cubic root of 120321289 is about 493.6822263650.

The spelling of 120321289 in words is "one hundred twenty million, three hundred twenty-one thousand, two hundred eighty-nine".