1267007605271 has 2 divisors, whose sum is σ = 1267007605272. Its totient is φ = 1267007605270.

The previous prime is 1267007605183. The next prime is 1267007605289. The reversal of 1267007605271 is 1725067007621.

It is a strong prime.

It is an emirp because it is prime and its reverse (1725067007621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1267007605271 - 2¹⁴ = 1267007588887 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1267007685271) by changing a digit.

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, 633503802635 + 633503802636.

It is an arithmetic number, because the mean of its divisors is an integer number (633503802636).

Almost surely, 2^{1267007605271} is an apocalyptic number.

1267007605271 is a deficient number, since it is larger than the sum of its proper divisors (1).

1267007605271 is an equidigital number, since it uses as much as digits as its factorization.

1267007605271 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 246960, while the sum is 44.

The spelling of 1267007605271 in words is "one trillion, two hundred sixty-seven billion, seven million, six hundred five thousand, two hundred seventy-one".