126743172084 has 36 divisors (see below), whose sum is σ = 322528779300. Its totient is φ = 41964180480.

The previous prime is 126743171969. The next prime is 126743172097. The reversal of 126743172084 is 480271347621.

126743172084 is a `hidden beast` number, since 1 + 2 + 6 + 7 + 431 + 7 + 208 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 14901084900 + 111842087184 = 122070^2 + 334428^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11808877 + ... + 11819604.

Almost surely, 2^126743172084 is an apocalyptic number.

It is an amenable number.

126743172084 is an abundant number, since it is smaller than the sum of its proper divisors (195785607216).

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

126743172084 is a wasteful number, since it uses less digits than its factorization.

126743172084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23628640 (or 23628635 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 45.

The spelling of 126743172084 in words is "one hundred twenty-six billion, seven hundred forty-three million, one hundred seventy-two thousand, eighty-four".