126746320351 has 48 divisors (see below), whose sum is σ = 159031641600. Its totient is φ = 100354265088.

The previous prime is 126746320343. The next prime is 126746320357. The reversal of 126746320351 is 153023647621.

It is a happy number.

It is not a de Polignac number, because 126746320351 - 2³ = 126746320343 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 (126746320357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10150530 + ... + 10163008.

It is an arithmetic number, because the mean of its divisors is an integer number (3313159200).

Almost surely, 2^126746320351 is an apocalyptic number.

126746320351 is a deficient number, since it is larger than the sum of its proper divisors (32285321249).

126746320351 is a wasteful number, since it uses less digits than its factorization.

126746320351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12736 (or 12729 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 40.

Adding to 126746320351 its reverse (153023647621), we get a palindrome (279769967972).

The spelling of 126746320351 in words is "one hundred twenty-six billion, seven hundred forty-six million, three hundred twenty thousand, three hundred fifty-one".