1270963697 has 2 divisors, whose sum is σ = 1270963698. Its totient is φ = 1270963696.

The previous prime is 1270963679. The next prime is 1270963709. The reversal of 1270963697 is 7963690721.

Together with previous prime (1270963679) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1210761616 + 60202081 = 34796^2 + 7759^2 .

It is a cyclic number.

It is not a de Polignac number, because 1270963697 - 2³⁰ = 197221873 is a prime.

It is not a weakly prime, because it can be changed into another prime (1270963627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 635481848 + 635481849.

It is an arithmetic number, because the mean of its divisors is an integer number (635481849).

Almost surely, 2^1270963697 is an apocalyptic number.

It is an amenable number.

1270963697 is a deficient number, since it is larger than the sum of its proper divisors (1).

1270963697 is an equidigital number, since it uses as much as digits as its factorization.

1270963697 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 857304, while the sum is 50.

The square root of 1270963697 is about 35650.5777933542. The cubic root of 1270963697 is about 1083.2059791803.

The spelling of 1270963697 in words is "one billion, two hundred seventy million, nine hundred sixty-three thousand, six hundred ninety-seven".