1268696371 has 2 divisors, whose sum is σ = 1268696372. Its totient is φ = 1268696370.

The previous prime is 1268696327. The next prime is 1268696393. The reversal of 1268696371 is 1736968621.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1268696371 - 2⁹ = 1268695859 is a prime.

It is not a weakly prime, because it can be changed into another prime (1268696311) 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, 634348185 + 634348186.

It is an arithmetic number, because the mean of its divisors is an integer number (634348186).

Almost surely, 2^1268696371 is an apocalyptic number.

1268696371 is a deficient number, since it is larger than the sum of its proper divisors (1).

1268696371 is an equidigital number, since it uses as much as digits as its factorization.

1268696371 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 653184, while the sum is 49.

The square root of 1268696371 is about 35618.7643104025. The cubic root of 1268696371 is about 1082.5614700891.

The spelling of 1268696371 in words is "one billion, two hundred sixty-eight million, six hundred ninety-six thousand, three hundred seventy-one".