126488936447 has 16 divisors (see below), whose sum is σ = 128114157600. Its totient is φ = 124873469952.

The previous prime is 126488936423. The next prime is 126488936527. The reversal of 126488936447 is 744639884621.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 126488936447 - 2³⁶ = 57769459711 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 126488936447.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126488932447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64898429 + ... + 64900377.

It is an arithmetic number, because the mean of its divisors is an integer number (8007134850).

Almost surely, 2^126488936447 is an apocalyptic number.

126488936447 is a deficient number, since it is larger than the sum of its proper divisors (1625221153).

126488936447 is a wasteful number, since it uses less digits than its factorization.

126488936447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4042.

The product of its digits is 55738368, while the sum is 62.

The spelling of 126488936447 in words is "one hundred twenty-six billion, four hundred eighty-eight million, nine hundred thirty-six thousand, four hundred forty-seven".