126875063709 has 12 divisors (see below), whose sum is σ = 187733834652. Its totient is φ = 82520366400.

The previous prime is 126875063681. The next prime is 126875063729. The reversal of 126875063709 is 907360578621.

126875063709 is a `hidden beast` number, since 1 + 2 + 68 + 7 + 506 + 3 + 70 + 9 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1951695684 + 124923368025 = 44178^2 + 353445^2 .

It is not a de Polignac number, because 126875063709 - 2⁵ = 126875063677 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126875063729) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 171917062 + ... + 171917799.

It is an arithmetic number, because the mean of its divisors is an integer number (15644486221).

Almost surely, 2^126875063709 is an apocalyptic number.

It is an amenable number.

126875063709 is a deficient number, since it is larger than the sum of its proper divisors (60858770943).

126875063709 is a wasteful number, since it uses less digits than its factorization.

126875063709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343834908 (or 343834905 counting only the distinct ones).

The product of its (nonzero) digits is 3810240, while the sum is 54.

The spelling of 126875063709 in words is "one hundred twenty-six billion, eight hundred seventy-five million, sixty-three thousand, seven hundred nine".