30120799 has 2 divisors, whose sum is σ = 30120800. Its totient is φ = 30120798.

The previous prime is 30120781. The next prime is 30120803. The reversal of 30120799 is 99702103.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 30120799 - 2⁵ = 30120767 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30120799.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30100799) 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, 15060399 + 15060400.

It is an arithmetic number, because the mean of its divisors is an integer number (15060400).

Almost surely, 2^30120799 is an apocalyptic number.

30120799 is a deficient number, since it is larger than the sum of its proper divisors (1).

30120799 is an equidigital number, since it uses as much as digits as its factorization.

30120799 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3402, while the sum is 31.

The square root of 30120799 is about 5488.2418860688. The cubic root of 30120799 is about 311.1397482662.

The spelling of 30120799 in words is "thirty million, one hundred twenty thousand, seven hundred ninety-nine".