1298704907 has 2 divisors, whose sum is σ = 1298704908. Its totient is φ = 1298704906.

The previous prime is 1298704879. The next prime is 1298704931. The reversal of 1298704907 is 7094078921.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1298704907 - 2¹⁰ = 1298703883 is a prime.

It is not a weakly prime, because it can be changed into another prime (1298704997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 649352453 + 649352454.

It is an arithmetic number, because the mean of its divisors is an integer number (649352454).

Almost surely, 2^1298704907 is an apocalyptic number.

1298704907 is a deficient number, since it is larger than the sum of its proper divisors (1).

1298704907 is an equidigital number, since it uses as much as digits as its factorization.

1298704907 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 254016, while the sum is 47.

The square root of 1298704907 is about 36037.5485709003. The cubic root of 1298704907 is about 1091.0303382107.

The spelling of 1298704907 in words is "one billion, two hundred ninety-eight million, seven hundred four thousand, nine hundred seven".