1083012643 has 2 divisors, whose sum is σ = 1083012644. Its totient is φ = 1083012642.

The previous prime is 1083012641. The next prime is 1083012647. The reversal of 1083012643 is 3462103801.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1083012643 - 2¹ = 1083012641 is a prime.

Together with 1083012641, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1083012641) 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, 541506321 + 541506322.

It is an arithmetic number, because the mean of its divisors is an integer number (541506322).

Almost surely, 2^1083012643 is an apocalyptic number.

1083012643 is a deficient number, since it is larger than the sum of its proper divisors (1).

1083012643 is an equidigital number, since it uses as much as digits as its factorization.

1083012643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 1083012643 is about 32909.1574337600. The cubic root of 1083012643 is about 1026.9386725286.

The spelling of 1083012643 in words is "one billion, eighty-three million, twelve thousand, six hundred forty-three".