126708712126 has 4 divisors (see below), whose sum is σ = 190063068192. Its totient is φ = 63354356062.

The previous prime is 126708712111. The next prime is 126708712127. The reversal of 126708712126 is 621217807621.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126708712127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31677178030 + ... + 31677178033.

It is an arithmetic number, because the mean of its divisors is an integer number (47515767048).

Almost surely, 2^126708712126 is an apocalyptic number.

126708712126 is a deficient number, since it is larger than the sum of its proper divisors (63354356066).

126708712126 is an equidigital number, since it uses as much as digits as its factorization.

126708712126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63354356065.

The product of its (nonzero) digits is 112896, while the sum is 43.

The spelling of 126708712126 in words is "one hundred twenty-six billion, seven hundred eight million, seven hundred twelve thousand, one hundred twenty-six".