126517729348 has 12 divisors (see below), whose sum is σ = 221408985280. Its totient is φ = 63258019272.

The previous prime is 126517729339. The next prime is 126517729417. The reversal of 126517729348 is 843927715621.

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

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 3 ways as a sum of consecutive naturals, for example, 225865 + ... + 551407.

Almost surely, 2^126517729348 is an apocalyptic number.

It is an amenable number.

126517729348 is a deficient number, since it is larger than the sum of its proper divisors (94891255932).

126517729348 is a wasteful number, since it uses less digits than its factorization.

126517729348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422706 (or 422704 counting only the distinct ones).

The product of its digits is 5080320, while the sum is 55.

The spelling of 126517729348 in words is "one hundred twenty-six billion, five hundred seventeen million, seven hundred twenty-nine thousand, three hundred forty-eight".