2120251039 has 2 divisors, whose sum is σ = 2120251040. Its totient is φ = 2120251038.

The previous prime is 2120251027. The next prime is 2120251069. The reversal of 2120251039 is 9301520212.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2120251039 - 2⁷ = 2120250911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2120251069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060125519 + 1060125520.

It is an arithmetic number, because the mean of its divisors is an integer number (1060125520).

Almost surely, 2^2120251039 is an apocalyptic number.

2120251039 is a deficient number, since it is larger than the sum of its proper divisors (1).

2120251039 is an equidigital number, since it uses as much as digits as its factorization.

2120251039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 2120251039 is about 46046.1837615236. The cubic root of 2120251039 is about 1284.6823621021.

The spelling of 2120251039 in words is "two billion, one hundred twenty million, two hundred fifty-one thousand, thirty-nine".