126501330313 has 2 divisors, whose sum is σ = 126501330314. Its totient is φ = 126501330312.

The previous prime is 126501330271. The next prime is 126501330317. The reversal of 126501330313 is 313033105621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 115632642304 + 10868688009 = 340048^2 + 104253^2 .

It is a cyclic number.

It is not a de Polignac number, because 126501330313 - 2¹⁷ = 126501199241 is a prime.

It is not a weakly prime, because it can be changed into another prime (126501330317) 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 as a sum of consecutive naturals, namely, 63250665156 + 63250665157.

It is an arithmetic number, because the mean of its divisors is an integer number (63250665157).

Almost surely, 2^126501330313 is an apocalyptic number.

It is an amenable number.

126501330313 is a deficient number, since it is larger than the sum of its proper divisors (1).

126501330313 is an equidigital number, since it uses as much as digits as its factorization.

126501330313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4860, while the sum is 28.

Adding to 126501330313 its reverse (313033105621), we get a palindrome (439534435934).

The spelling of 126501330313 in words is "one hundred twenty-six billion, five hundred one million, three hundred thirty thousand, three hundred thirteen".