30120054287 has 2 divisors, whose sum is σ = 30120054288. Its totient is φ = 30120054286.

The previous prime is 30120054163. The next prime is 30120054299. The reversal of 30120054287 is 78245002103.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 30120054287 - 2¹⁶ = 30119988751 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30120056287) 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, 15060027143 + 15060027144.

It is an arithmetic number, because the mean of its divisors is an integer number (15060027144).

Almost surely, 2^30120054287 is an apocalyptic number.

30120054287 is a deficient number, since it is larger than the sum of its proper divisors (1).

30120054287 is an equidigital number, since it uses as much as digits as its factorization.

30120054287 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13440, while the sum is 32.

The spelling of 30120054287 in words is "thirty billion, one hundred twenty million, fifty-four thousand, two hundred eighty-seven".