8120459 has 2 divisors, whose sum is σ = 8120460. Its totient is φ = 8120458.

The previous prime is 8120393. The next prime is 8120461. The reversal of 8120459 is 9540218.

8120459 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8120459 is a prime.

It is a Sophie Germain prime.

Together with 8120461, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (8120479) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4060229 + 4060230.

It is an arithmetic number, because the mean of its divisors is an integer number (4060230).

Almost surely, 2^8120459 is an apocalyptic number.

8120459 is a deficient number, since it is larger than the sum of its proper divisors (1).

8120459 is an equidigital number, since it uses as much as digits as its factorization.

8120459 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 8120459 is about 2849.6419073280. The cubic root of 8120459 is about 200.9988284050.

The spelling of 8120459 in words is "eight million, one hundred twenty thousand, four hundred fifty-nine".