126063721345 has 16 divisors (see below), whose sum is σ = 152024708160. Its totient is φ = 100352347200.

The previous prime is 126063721327. The next prime is 126063721379. The reversal of 126063721345 is 543127360621.

It is a happy number.

It is not a de Polignac number, because 126063721345 - 2¹⁵ = 126063688577 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 126063721298 and 126063721307.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 7018386 + ... + 7036324.

It is an arithmetic number, because the mean of its divisors is an integer number (9501544260).

Almost surely, 2^126063721345 is an apocalyptic number.

It is an amenable number.

126063721345 is a deficient number, since it is larger than the sum of its proper divisors (25960986815).

126063721345 is a wasteful number, since it uses less digits than its factorization.

126063721345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24816.

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

The spelling of 126063721345 in words is "one hundred twenty-six billion, sixty-three million, seven hundred twenty-one thousand, three hundred forty-five".