126617914722 has 64 divisors (see below), whose sum is σ = 282325929984. Its totient is φ = 37593702720.

The previous prime is 126617914699. The next prime is 126617914769. The reversal of 126617914722 is 227419716621.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 763593 + ... + 914499.

It is an arithmetic number, because the mean of its divisors is an integer number (4411342656).

Almost surely, 2^126617914722 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 126617914722, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141162964992).

126617914722 is an abundant number, since it is smaller than the sum of its proper divisors (155708015262).

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

126617914722 is a wasteful number, since it uses less digits than its factorization.

126617914722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151303.

The product of its digits is 508032, while the sum is 48.

The spelling of 126617914722 in words is "one hundred twenty-six billion, six hundred seventeen million, nine hundred fourteen thousand, seven hundred twenty-two".