1297683067 has 2 divisors, whose sum is σ = 1297683068. Its totient is φ = 1297683066.

The previous prime is 1297682999. The next prime is 1297683103. The reversal of 1297683067 is 7603867921.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1297683067 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1297683067.

It is not a weakly prime, because it can be changed into another prime (1297683367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 648841533 + 648841534.

It is an arithmetic number, because the mean of its divisors is an integer number (648841534).

Almost surely, 2^1297683067 is an apocalyptic number.

1297683067 is a deficient number, since it is larger than the sum of its proper divisors (1).

1297683067 is an equidigital number, since it uses as much as digits as its factorization.

1297683067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 762048, while the sum is 49.

The square root of 1297683067 is about 36023.3683461167. The cubic root of 1297683067 is about 1090.7441169251.

The spelling of 1297683067 in words is "one billion, two hundred ninety-seven million, six hundred eighty-three thousand, sixty-seven".