1306261126306 has 16 divisors (see below), whose sum is σ = 2032167641400. Its totient is φ = 628987706368.

The previous prime is 1306261126283. The next prime is 1306261126309. The reversal of 1306261126306 is 6036211626031.

It can be written as a sum of positive squares in 4 ways, for example, as 1154032399081 + 152228727225 = 1074259^2 + 390165^2 .

It is not an unprimeable number, because it can be changed into a prime (1306261126309) 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 7 ways as a sum of consecutive naturals, for example, 28925695 + ... + 28970818.

Almost surely, 2^{1306261126306} is an apocalyptic number.

1306261126306 is a deficient number, since it is larger than the sum of its proper divisors (725906515094).

1306261126306 is a wasteful number, since it uses less digits than its factorization.

1306261126306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57896933.

The product of its (nonzero) digits is 46656, while the sum is 37.

The spelling of 1306261126306 in words is "one trillion, three hundred six billion, two hundred sixty-one million, one hundred twenty-six thousand, three hundred six".