1271053633 has 2 divisors, whose sum is σ = 1271053634. Its totient is φ = 1271053632.

The previous prime is 1271053601. The next prime is 1271053691. The reversal of 1271053633 is 3363501721.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1144333584 + 126720049 = 33828^2 + 11257^2 .

It is a cyclic number.

It is not a de Polignac number, because 1271053633 - 2⁵ = 1271053601 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1271053595 and 1271053604.

It is not a weakly prime, because it can be changed into another prime (1271053733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 635526816 + 635526817.

It is an arithmetic number, because the mean of its divisors is an integer number (635526817).

Almost surely, 2^1271053633 is an apocalyptic number.

It is an amenable number.

1271053633 is a deficient number, since it is larger than the sum of its proper divisors (1).

1271053633 is an equidigital number, since it uses as much as digits as its factorization.

1271053633 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11340, while the sum is 31.

The square root of 1271053633 is about 35651.8391250718. The cubic root of 1271053633 is about 1083.2315285372.

The spelling of 1271053633 in words is "one billion, two hundred seventy-one million, fifty-three thousand, six hundred thirty-three".