121293299 has 2 divisors, whose sum is σ = 121293300. Its totient is φ = 121293298.

The previous prime is 121293281. The next prime is 121293331. The reversal of 121293299 is 992392121.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121293299 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (121293209) 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, 60646649 + 60646650.

It is an arithmetic number, because the mean of its divisors is an integer number (60646650).

Almost surely, 2^121293299 is an apocalyptic number.

121293299 is a deficient number, since it is larger than the sum of its proper divisors (1).

121293299 is an equidigital number, since it uses as much as digits as its factorization.

121293299 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17496, while the sum is 38.

The square root of 121293299 is about 11013.3237035874. The cubic root of 121293299 is about 495.0080589104.

The spelling of 121293299 in words is "one hundred twenty-one million, two hundred ninety-three thousand, two hundred ninety-nine".