121304329 has 2 divisors, whose sum is σ = 121304330. Its totient is φ = 121304328.

The previous prime is 121304317. The next prime is 121304347. The reversal of 121304329 is 923403121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 117223929 + 4080400 = 10827^2 + 2020^2 .

It is an emirp because it is prime and its reverse (923403121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 121304329 - 2⁷ = 121304201 is a prime.

It is not a weakly prime, because it can be changed into another prime (121304399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60652164 + 60652165.

It is an arithmetic number, because the mean of its divisors is an integer number (60652165).

Almost surely, 2^121304329 is an apocalyptic number.

It is an amenable number.

121304329 is a deficient number, since it is larger than the sum of its proper divisors (1).

121304329 is an equidigital number, since it uses as much as digits as its factorization.

121304329 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 121304329 is about 11013.8244493001. The cubic root of 121304329 is about 495.0230632386.

The spelling of 121304329 in words is "one hundred twenty-one million, three hundred four thousand, three hundred twenty-nine".