1078345243 has 2 divisors, whose sum is σ = 1078345244. Its totient is φ = 1078345242.

The previous prime is 1078345127. The next prime is 1078345249. The reversal of 1078345243 is 3425438701.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (3425438701) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1078345243 is a prime.

It is not a weakly prime, because it can be changed into another prime (1078345249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 539172621 + 539172622.

It is an arithmetic number, because the mean of its divisors is an integer number (539172622).

Almost surely, 2^1078345243 is an apocalyptic number.

1078345243 is a deficient number, since it is larger than the sum of its proper divisors (1).

1078345243 is an equidigital number, since it uses as much as digits as its factorization.

1078345243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 80640, while the sum is 37.

The square root of 1078345243 is about 32838.1674732315. The cubic root of 1078345243 is about 1025.4613011448.

The spelling of 1078345243 in words is "one billion, seventy-eight million, three hundred forty-five thousand, two hundred forty-three".