126242756376 has 64 divisors (see below), whose sum is σ = 345207139200. Its totient is φ = 38154412800.

The previous prime is 126242756359. The next prime is 126242756377. The reversal of 126242756376 is 673657242621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126242756377) by changing a digit.

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, 530805 + ... + 730916.

It is an arithmetic number, because the mean of its divisors is an integer number (5393861550).

Almost surely, 2^126242756376 is an apocalyptic number.

It is an amenable number.

126242756376 is an abundant number, since it is smaller than the sum of its proper divisors (218964382824).

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

126242756376 is a wasteful number, since it uses less digits than its factorization.

126242756376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1262120 (or 1262116 counting only the distinct ones).

The product of its digits is 5080320, while the sum is 51.

Adding to 126242756376 its reverse (673657242621), we get a palindrome (799899998997).

The spelling of 126242756376 in words is "one hundred twenty-six billion, two hundred forty-two million, seven hundred fifty-six thousand, three hundred seventy-six".