121412393 has 2 divisors, whose sum is σ = 121412394. Its totient is φ = 121412392.

The previous prime is 121412363. The next prime is 121412411. The reversal of 121412393 is 393214121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67947049 + 53465344 = 8243^2 + 7312^2 .

It is a cyclic number.

It is not a de Polignac number, because 121412393 - 2⁶ = 121412329 is a prime.

It is not a weakly prime, because it can be changed into another prime (121412303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60706196 + 60706197.

It is an arithmetic number, because the mean of its divisors is an integer number (60706197).

Almost surely, 2^121412393 is an apocalyptic number.

It is an amenable number.

121412393 is a deficient number, since it is larger than the sum of its proper divisors (1).

121412393 is an equidigital number, since it uses as much as digits as its factorization.

121412393 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1296, while the sum is 26.

The square root of 121412393 is about 11018.7291916990. The cubic root of 121412393 is about 495.1700167604.

The spelling of 121412393 in words is "one hundred twenty-one million, four hundred twelve thousand, three hundred ninety-three".