126630560123 has 2 divisors, whose sum is σ = 126630560124. Its totient is φ = 126630560122.

The previous prime is 126630560113. The next prime is 126630560141. The reversal of 126630560123 is 321065036621.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 126630560123 - 2⁶ = 126630560059 is a prime.

It is not a weakly prime, because it can be changed into another prime (126630560113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63315280061 + 63315280062.

It is an arithmetic number, because the mean of its divisors is an integer number (63315280062).

Almost surely, 2^126630560123 is an apocalyptic number.

126630560123 is a deficient number, since it is larger than the sum of its proper divisors (1).

126630560123 is an equidigital number, since it uses as much as digits as its factorization.

126630560123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38880, while the sum is 35.

Adding to 126630560123 its reverse (321065036621), we get a palindrome (447695596744).

The spelling of 126630560123 in words is "one hundred twenty-six billion, six hundred thirty million, five hundred sixty thousand, one hundred twenty-three".