2120397259 has 2 divisors, whose sum is σ = 2120397260. Its totient is φ = 2120397258.

The previous prime is 2120397229. The next prime is 2120397281. The reversal of 2120397259 is 9527930212.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2120397259 is a prime.

It is not a weakly prime, because it can be changed into another prime (2120397229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060198629 + 1060198630.

It is an arithmetic number, because the mean of its divisors is an integer number (1060198630).

Almost surely, 2^2120397259 is an apocalyptic number.

2120397259 is a deficient number, since it is larger than the sum of its proper divisors (1).

2120397259 is an equidigital number, since it uses as much as digits as its factorization.

2120397259 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 68040, while the sum is 40.

The square root of 2120397259 is about 46047.7714878798. The cubic root of 2120397259 is about 1284.7118935009.

The spelling of 2120397259 in words is "two billion, one hundred twenty million, three hundred ninety-seven thousand, two hundred fifty-nine".