126743274688 has 56 divisors (see below), whose sum is σ = 257549243600. Its totient is φ = 61851202560.

The previous prime is 126743274683. The next prime is 126743274719. The reversal of 126743274688 is 886472347621.

It is not an unprimeable number, because it can be changed into a prime (126743274683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3783838 + ... + 3817186.

Almost surely, 2^126743274688 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 126743274688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128774621800).

126743274688 is an abundant number, since it is smaller than the sum of its proper divisors (130805968912).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

126743274688 is a wasteful number, since it uses less digits than its factorization.

126743274688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34785 (or 34775 counting only the distinct ones).

The product of its digits is 21676032, while the sum is 58.

The spelling of 126743274688 in words is "one hundred twenty-six billion, seven hundred forty-three million, two hundred seventy-four thousand, six hundred eighty-eight".