1236270256271 has 2 divisors, whose sum is σ = 1236270256272. Its totient is φ = 1236270256270.

The previous prime is 1236270256253. The next prime is 1236270256283. The reversal of 1236270256271 is 1726520726321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1236270256271 - 2¹⁰ = 1236270255247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1236270256201) 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, 618135128135 + 618135128136.

It is an arithmetic number, because the mean of its divisors is an integer number (618135128136).

Almost surely, 2^{1236270256271} is an apocalyptic number.

1236270256271 is a deficient number, since it is larger than the sum of its proper divisors (1).

1236270256271 is an equidigital number, since it uses as much as digits as its factorization.

1236270256271 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 423360, while the sum is 44.

The spelling of 1236270256271 in words is "one trillion, two hundred thirty-six billion, two hundred seventy million, two hundred fifty-six thousand, two hundred seventy-one".