121246321 has 8 divisors (see below), whose sum is σ = 138633984. Its totient is φ = 103875360.

The previous prime is 121246313. The next prime is 121246327. The reversal of 121246321 is 123642121.

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 121246321 - 2³ = 121246313 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121246292 and 121246301.

It is not an unprimeable number, because it can be changed into a prime (121246327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24936 + ... + 29398.

It is an arithmetic number, because the mean of its divisors is an integer number (17329248).

Almost surely, 2^121246321 is an apocalyptic number.

It is an amenable number.

121246321 is a deficient number, since it is larger than the sum of its proper divisors (17387663).

121246321 is an equidigital number, since it uses as much as digits as its factorization.

121246321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8351.

The product of its digits is 576, while the sum is 22.

The square root of 121246321 is about 11011.1907167209. The cubic root of 121246321 is about 494.9441436140.

Adding to 121246321 its reverse (123642121), we get a palindrome (244888442).

The spelling of 121246321 in words is "one hundred twenty-one million, two hundred forty-six thousand, three hundred twenty-one".