126217657706 has 32 divisors (see below), whose sum is σ = 220426652160. Its totient is φ = 53083119600.

The previous prime is 126217657673. The next prime is 126217657721. The reversal of 126217657706 is 607756712621.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 337841 + ... + 605451.

It is an arithmetic number, because the mean of its divisors is an integer number (6888332880).

Almost surely, 2^126217657706 is an apocalyptic number.

126217657706 is a deficient number, since it is larger than the sum of its proper divisors (94208994454).

126217657706 is a wasteful number, since it uses less digits than its factorization.

126217657706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268250.

The product of its (nonzero) digits is 1481760, while the sum is 50.

The spelling of 126217657706 in words is "one hundred twenty-six billion, two hundred seventeen million, six hundred fifty-seven thousand, seven hundred six".