126427534559 has 4 divisors (see below), whose sum is σ = 126428252616. Its totient is φ = 126426816504.

The previous prime is 126427534547. The next prime is 126427534561. The reversal of 126427534559 is 955435724621.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 126427534559 - 2²⁸ = 126159099103 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 126427534559.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126427534859) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104912 + ... + 513674.

It is an arithmetic number, because the mean of its divisors is an integer number (31607063154).

Almost surely, 2^126427534559 is an apocalyptic number.

126427534559 is a deficient number, since it is larger than the sum of its proper divisors (718057).

126427534559 is an equidigital number, since it uses as much as digits as its factorization.

126427534559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 718056.

The product of its digits is 9072000, while the sum is 53.

The spelling of 126427534559 in words is "one hundred twenty-six billion, four hundred twenty-seven million, five hundred thirty-four thousand, five hundred fifty-nine".