126565259 has 2 divisors, whose sum is σ = 126565260. Its totient is φ = 126565258.

The previous prime is 126565253. The next prime is 126565261. The reversal of 126565259 is 952565621.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 126565259 - 2⁸ = 126565003 is a prime.

It is a Sophie Germain prime.

Together with 126565261, 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 (126565253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63282629 + 63282630.

It is an arithmetic number, because the mean of its divisors is an integer number (63282630).

Almost surely, 2^126565259 is an apocalyptic number.

126565259 is a deficient number, since it is larger than the sum of its proper divisors (1).

126565259 is an equidigital number, since it uses as much as digits as its factorization.

126565259 is an evil number, because the sum of its binary digits is even.

The product of its digits is 162000, while the sum is 41.

The square root of 126565259 is about 11250.1226215540. The cubic root of 126565259 is about 502.0783608620.

The spelling of 126565259 in words is "one hundred twenty-six million, five hundred sixty-five thousand, two hundred fifty-nine".