120321109 has 8 divisors (see below), whose sum is σ = 121191192. Its totient is φ = 119454720.

The previous prime is 120321083. The next prime is 120321133. The reversal of 120321109 is 901123021.

It can be written as a sum of positive squares in 4 ways, for example, as 2490084 + 117831025 = 1578^2 + 10855^2 .

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 120321109 - 2¹¹ = 120319061 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 (120322109) 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, 98587 + ... + 99799.

It is an arithmetic number, because the mean of its divisors is an integer number (15148899).

Almost surely, 2^120321109 is an apocalyptic number.

It is an amenable number.

120321109 is a deficient number, since it is larger than the sum of its proper divisors (870083).

120321109 is a wasteful number, since it uses less digits than its factorization.

120321109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1847.

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 120321109 is about 10969.0979118613. The cubic root of 120321109 is about 493.6819801829.

The spelling of 120321109 in words is "one hundred twenty million, three hundred twenty-one thousand, one hundred nine".