126322265784 has 256 divisors, whose sum is σ = 377959841280. Its totient is φ = 34677688320.

The previous prime is 126322265737. The next prime is 126322265791. The reversal of 126322265784 is 487562223621.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 72891382 + ... + 72893114.

It is an arithmetic number, because the mean of its divisors is an integer number (1476405630).

Almost surely, 2^126322265784 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 126322265784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (188979920640).

126322265784 is an abundant number, since it is smaller than the sum of its proper divisors (251637575496).

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

126322265784 is a wasteful number, since it uses less digits than its factorization.

126322265784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2150 (or 2146 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 48.

The spelling of 126322265784 in words is "one hundred twenty-six billion, three hundred twenty-two million, two hundred sixty-five thousand, seven hundred eighty-four".