1260757047266 has 4 divisors (see below), whose sum is σ = 1891135570902. Its totient is φ = 630378523632.

The previous prime is 1260757047223. The next prime is 1260757047353. The reversal of 1260757047266 is 6627407570621.

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., 1260295871641 + 461175625 = 1122629^2 + 21475^2 .

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 as a sum of consecutive naturals, namely, 315189261815 + ... + 315189261818.

Almost surely, 2^{1260757047266} is an apocalyptic number.

1260757047266 is a deficient number, since it is larger than the sum of its proper divisors (630378523636).

1260757047266 is an equidigital number, since it uses as much as digits as its factorization.

1260757047266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 630378523635.

The product of its (nonzero) digits is 5927040, while the sum is 53.

The spelling of 1260757047266 in words is "one trillion, two hundred sixty billion, seven hundred fifty-seven million, forty-seven thousand, two hundred sixty-six".