121452321 has 8 divisors (see below), whose sum is σ = 162100960. Its totient is φ = 80885952.

The previous prime is 121452293. The next prime is 121452329. The reversal of 121452321 is 123254121.

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

It is not a de Polignac number, because 121452321 - 2⁶ = 121452257 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121452329) 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, 17035 + ... + 23088.

It is an arithmetic number, because the mean of its divisors is an integer number (20262620).

Almost surely, 2^121452321 is an apocalyptic number.

It is an amenable number.

121452321 is a deficient number, since it is larger than the sum of its proper divisors (40648639).

121452321 is a wasteful number, since it uses less digits than its factorization.

121452321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41135.

The product of its digits is 480, while the sum is 21.

The square root of 121452321 is about 11020.5408669448. The cubic root of 121452321 is about 495.2242917840.

It can be divided in two parts, 1214 and 52321, that added together give a palindrome (53535).

The spelling of 121452321 in words is "one hundred twenty-one million, four hundred fifty-two thousand, three hundred twenty-one".