120999299 has 2 divisors, whose sum is σ = 120999300. Its totient is φ = 120999298.

The previous prime is 120999289. The next prime is 120999311. The reversal of 120999299 is 992999021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 120999299 - 2⁴ = 120999283 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (120999209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60499649 + 60499650.

It is an arithmetic number, because the mean of its divisors is an integer number (60499650).

Almost surely, 2^120999299 is an apocalyptic number.

120999299 is a deficient number, since it is larger than the sum of its proper divisors (1).

120999299 is an equidigital number, since it uses as much as digits as its factorization.

120999299 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 236196, while the sum is 50.

The square root of 120999299 is about 10999.9681363175. The cubic root of 120999299 is about 494.6077891695.

The spelling of 120999299 in words is "one hundred twenty million, nine hundred ninety-nine thousand, two hundred ninety-nine".