126364559 has 2 divisors, whose sum is σ = 126364560. Its totient is φ = 126364558.

The previous prime is 126364543. The next prime is 126364591. The reversal of 126364559 is 955463621.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 126364559 - 2⁴ = 126364543 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126864559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63182279 + 63182280.

It is an arithmetic number, because the mean of its divisors is an integer number (63182280).

Almost surely, 2^126364559 is an apocalyptic number.

126364559 is a deficient number, since it is larger than the sum of its proper divisors (1).

126364559 is an equidigital number, since it uses as much as digits as its factorization.

126364559 is an evil number, because the sum of its binary digits is even.

The product of its digits is 194400, while the sum is 41.

The square root of 126364559 is about 11241.1991798028. The cubic root of 126364559 is about 501.8128313416.

The spelling of 126364559 in words is "one hundred twenty-six million, three hundred sixty-four thousand, five hundred fifty-nine".