121344319 has 2 divisors, whose sum is σ = 121344320. Its totient is φ = 121344318.

The previous prime is 121344281. The next prime is 121344361. The reversal of 121344319 is 913443121.

It is a weak prime.

It is an emirp because it is prime and its reverse (913443121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 121344319 - 2⁷ = 121344191 is a prime.

It is a super-2 number, since 2×121344319² = 29448887507147522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121348319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60672159 + 60672160.

It is an arithmetic number, because the mean of its divisors is an integer number (60672160).

Almost surely, 2^121344319 is an apocalyptic number.

121344319 is a deficient number, since it is larger than the sum of its proper divisors (1).

121344319 is an equidigital number, since it uses as much as digits as its factorization.

121344319 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2592, while the sum is 28.

The square root of 121344319 is about 11015.6397453802. The cubic root of 121344319 is about 495.0774548048.

The spelling of 121344319 in words is "one hundred twenty-one million, three hundred forty-four thousand, three hundred nineteen".