120321121 has 8 divisors (see below), whose sum is σ = 127661184. Its totient is φ = 113010240.

The previous prime is 120321083. The next prime is 120321133. The reversal of 120321121 is 121123021.

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 120321121 - 2¹⁵ = 120288353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120321161) 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, 1516 + ... + 15586.

It is an arithmetic number, because the mean of its divisors is an integer number (15957648).

Almost surely, 2^120321121 is an apocalyptic number.

It is an amenable number.

120321121 is a deficient number, since it is larger than the sum of its proper divisors (7340063).

120321121 is a wasteful number, since it uses less digits than its factorization.

120321121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14591.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 120321121 is about 10969.0984588525. The cubic root of 120321121 is about 493.6819965950.

Adding to 120321121 its reverse (121123021), we get a palindrome (241444142).

The spelling of 120321121 in words is "one hundred twenty million, three hundred twenty-one thousand, one hundred twenty-one".