1078730297 has 2 divisors, whose sum is σ = 1078730298. Its totient is φ = 1078730296.

The previous prime is 1078730287. The next prime is 1078730311. The reversal of 1078730297 is 7920378701.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 704849401 + 373880896 = 26549^2 + 19336^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1078730297 is a prime.

It is not a weakly prime, because it can be changed into another prime (1078730287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 539365148 + 539365149.

It is an arithmetic number, because the mean of its divisors is an integer number (539365149).

Almost surely, 2^1078730297 is an apocalyptic number.

It is an amenable number.

1078730297 is a deficient number, since it is larger than the sum of its proper divisors (1).

1078730297 is an equidigital number, since it uses as much as digits as its factorization.

1078730297 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 148176, while the sum is 44.

The square root of 1078730297 is about 32844.0298532321. The cubic root of 1078730297 is about 1025.5833433786.

The spelling of 1078730297 in words is "one billion, seventy-eight million, seven hundred thirty thousand, two hundred ninety-seven".