126708945444 has 81 divisors (see below), whose sum is σ = 328521630801. Its totient is φ = 41177684160.

The previous prime is 126708945373. The next prime is 126708945457. The reversal of 126708945444 is 444549807621.

The square root of 126708945444 is 355962.

It is a perfect power (a square), and thus also a powerful number.

126708945444 is a `hidden beast` number, since 1 + 2 + 6 + 7 + 0 + 8 + 94 + 544 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 6105547044 + 120603398400 = 78138^2 + 347280^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 87565929 + ... + 87567375.

Almost surely, 2^126708945444 is an apocalyptic number.

126708945444 is the 355962-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 126708945444

126708945444 is an abundant number, since it is smaller than the sum of its proper divisors (201812685357).

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

126708945444 is an equidigital number, since it uses as much as digits as its factorization.

126708945444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2986 (or 1493 counting only the distinct ones).

The product of its (nonzero) digits is 7741440, while the sum is 54.

The spelling of 126708945444 in words is "one hundred twenty-six billion, seven hundred eight million, nine hundred forty-five thousand, four hundred forty-four".