120299999 has 2 divisors, whose sum is σ = 120300000. Its totient is φ = 120299998.

The previous prime is 120299981. The next prime is 120300127. The reversal of 120299999 is 999992021.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120299999 is a prime.

120299999 is a modest number, since divided by 99999 gives 1202 as remainder.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120299909) 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, 60149999 + 60150000.

It is an arithmetic number, because the mean of its divisors is an integer number (60150000).

Almost surely, 2^120299999 is an apocalyptic number.

120299999 is a deficient number, since it is larger than the sum of its proper divisors (1).

120299999 is an equidigital number, since it uses as much as digits as its factorization.

120299999 is an odious number, because the sum of its binary digits is odd.

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

The square root of 120299999 is about 10968.1356209704. The cubic root of 120299999 is about 493.6531067895.

The spelling of 120299999 in words is "one hundred twenty million, two hundred ninety-nine thousand, nine hundred ninety-nine".