1260245337266 has 4 divisors (see below), whose sum is σ = 1890368005902. Its totient is φ = 630122668632.

The previous prime is 1260245337251. The next prime is 1260245337289. The reversal of 1260245337266 is 6627335420621.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 867824528041 + 392420809225 = 931571^2 + 626435^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1260245337266.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 315061334315 + ... + 315061334318.

Almost surely, 2^{1260245337266} is an apocalyptic number.

1260245337266 is a deficient number, since it is larger than the sum of its proper divisors (630122668636).

1260245337266 is an equidigital number, since it uses as much as digits as its factorization.

1260245337266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 630122668635.

The product of its (nonzero) digits is 2177280, while the sum is 47.

The spelling of 1260245337266 in words is "one trillion, two hundred sixty billion, two hundred forty-five million, three hundred thirty-seven thousand, two hundred sixty-six".