121414321 has 8 divisors (see below), whose sum is σ = 143235584. Its totient is φ = 100712160.

The previous prime is 121414283. The next prime is 121414343. The reversal of 121414321 is 123414121.

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 121414321 - 2¹¹ = 121412273 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 (121414021) 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, 279540 + ... + 279973.

It is an arithmetic number, because the mean of its divisors is an integer number (17904448).

Almost surely, 2^121414321 is an apocalyptic number.

It is an amenable number.

121414321 is a deficient number, since it is larger than the sum of its proper divisors (21821263).

121414321 is an equidigital number, since it uses as much as digits as its factorization.

121414321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 559551.

The product of its digits is 192, while the sum is 19.

The square root of 121414321 is about 11018.8166787546. The cubic root of 121414321 is about 495.1726378073.

Adding to 121414321 its reverse (123414121), we get a palindrome (244828442).

The spelling of 121414321 in words is "one hundred twenty-one million, four hundred fourteen thousand, three hundred twenty-one".