1298247803 has 2 divisors, whose sum is σ = 1298247804. Its totient is φ = 1298247802.

The previous prime is 1298247589. The next prime is 1298247817. The reversal of 1298247803 is 3087428921.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1298247803 - 2¹² = 1298243707 is a prime.

It is not a weakly prime, because it can be changed into another prime (1298207803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 649123901 + 649123902.

It is an arithmetic number, because the mean of its divisors is an integer number (649123902).

Almost surely, 2^1298247803 is an apocalyptic number.

1298247803 is a deficient number, since it is larger than the sum of its proper divisors (1).

1298247803 is an equidigital number, since it uses as much as digits as its factorization.

1298247803 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 193536, while the sum is 44.

The square root of 1298247803 is about 36031.2059609445. The cubic root of 1298247803 is about 1090.9023202006.

The spelling of 1298247803 in words is "one billion, two hundred ninety-eight million, two hundred forty-seven thousand, eight hundred three".