1080105281 has 2 divisors, whose sum is σ = 1080105282. Its totient is φ = 1080105280.

The previous prime is 1080105233. The next prime is 1080105287. The reversal of 1080105281 is 1825010801.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 686440000 + 393665281 = 26200^2 + 19841^2 .

It is an emirp because it is prime and its reverse (1825010801) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1080105281 - 2¹⁰ = 1080104257 is a prime.

It is a super-2 number, since 2×1080105281² = 2333254836088177922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1080105281.

It is not a weakly prime, because it can be changed into another prime (1080105287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 540052640 + 540052641.

It is an arithmetic number, because the mean of its divisors is an integer number (540052641).

Almost surely, 2^1080105281 is an apocalyptic number.

It is an amenable number.

1080105281 is a deficient number, since it is larger than the sum of its proper divisors (1).

1080105281 is an equidigital number, since it uses as much as digits as its factorization.

1080105281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 640, while the sum is 26.

The square root of 1080105281 is about 32864.9552106800. The cubic root of 1080105281 is about 1026.0189054371.

The spelling of 1080105281 in words is "one billion, eighty million, one hundred five thousand, two hundred eighty-one".