1081775339 has 2 divisors, whose sum is σ = 1081775340. Its totient is φ = 1081775338.

The previous prime is 1081775323. The next prime is 1081775341. The reversal of 1081775339 is 9335771801.

It is a strong prime.

It is an emirp because it is prime and its reverse (9335771801) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1081775339 - 2⁴ = 1081775323 is a prime.

Together with 1081775341, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1081775339.

It is not a weakly prime, because it can be changed into another prime (1081775389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 540887669 + 540887670.

It is an arithmetic number, because the mean of its divisors is an integer number (540887670).

Almost surely, 2^1081775339 is an apocalyptic number.

1081775339 is a deficient number, since it is larger than the sum of its proper divisors (1).

1081775339 is an equidigital number, since it uses as much as digits as its factorization.

1081775339 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 158760, while the sum is 44.

The square root of 1081775339 is about 32890.3532817755. The cubic root of 1081775339 is about 1026.5474430177.

The spelling of 1081775339 in words is "one billion, eighty-one million, seven hundred seventy-five thousand, three hundred thirty-nine".