1128108673 has 2 divisors, whose sum is σ = 1128108674. Its totient is φ = 1128108672.

The previous prime is 1128108643. The next prime is 1128108677. The reversal of 1128108673 is 3768018211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 645515649 + 482593024 = 25407^2 + 21968^2 .

It is a cyclic number.

It is not a de Polignac number, because 1128108673 - 2⁹ = 1128108161 is a prime.

It is not a weakly prime, because it can be changed into another prime (1128108677) 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, 564054336 + 564054337.

It is an arithmetic number, because the mean of its divisors is an integer number (564054337).

Almost surely, 2^1128108673 is an apocalyptic number.

It is an amenable number.

1128108673 is a deficient number, since it is larger than the sum of its proper divisors (1).

1128108673 is an equidigital number, since it uses as much as digits as its factorization.

1128108673 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 37.

The square root of 1128108673 is about 33587.3290542728. The cubic root of 1128108673 is about 1040.9990009350. Note that the first 3 decimals are identical.

The spelling of 1128108673 in words is "one billion, one hundred twenty-eight million, one hundred eight thousand, six hundred seventy-three".