126049757317 has 16 divisors (see below), whose sum is σ = 138113579520. Its totient is φ = 114087833200.

The previous prime is 126049757311. The next prime is 126049757381. The reversal of 126049757317 is 713757940621.

It is a happy number.

It is not a de Polignac number, because 126049757317 - 2¹¹ = 126049755269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126049757311) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 2291142 + ... + 2345512.

It is an arithmetic number, because the mean of its divisors is an integer number (8632098720).

Almost surely, 2^126049757317 is an apocalyptic number.

It is an amenable number.

126049757317 is a deficient number, since it is larger than the sum of its proper divisors (12063822203).

126049757317 is a wasteful number, since it uses less digits than its factorization.

126049757317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55304.

The product of its (nonzero) digits is 2222640, while the sum is 52.

The spelling of 126049757317 in words is "one hundred twenty-six billion, forty-nine million, seven hundred fifty-seven thousand, three hundred seventeen".