121430299 has 2 divisors, whose sum is σ = 121430300. Its totient is φ = 121430298.

The previous prime is 121430291. The next prime is 121430333. The reversal of 121430299 is 992034121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121430299 - 2³ = 121430291 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 121430299.

It is not a weakly prime, because it can be changed into another prime (121430291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60715149 + 60715150.

It is an arithmetic number, because the mean of its divisors is an integer number (60715150).

Almost surely, 2^121430299 is an apocalyptic number.

121430299 is a deficient number, since it is larger than the sum of its proper divisors (1).

121430299 is an equidigital number, since it uses as much as digits as its factorization.

121430299 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 121430299 is about 11019.5416873843. The cubic root of 121430299 is about 495.1943582581.

It can be divided in two parts, 1214 and 30299, that added together give a palindrome (31513).

The spelling of 121430299 in words is "one hundred twenty-one million, four hundred thirty thousand, two hundred ninety-nine".