120543321 has 8 divisors (see below), whose sum is σ = 164644704. Its totient is φ = 78402080.

The previous prime is 120543317. The next prime is 120543323. The reversal of 120543321 is 123345021.

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 120543321 - 2² = 120543317 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120543323) 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, 489891 + ... + 490136.

It is an arithmetic number, because the mean of its divisors is an integer number (20580588).

Almost surely, 2^120543321 is an apocalyptic number.

It is an amenable number.

120543321 is a deficient number, since it is larger than the sum of its proper divisors (44101383).

120543321 is an equidigital number, since it uses as much as digits as its factorization.

120543321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 980071.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 120543321 is about 10979.2222402136. Note that the first 4 decimals coincide. The cubic root of 120543321 is about 493.9857079793.

Adding to 120543321 its reverse (123345021), we get a palindrome (243888342).

The spelling of 120543321 in words is "one hundred twenty million, five hundred forty-three thousand, three hundred twenty-one".