1073189387 has 2 divisors, whose sum is σ = 1073189388. Its totient is φ = 1073189386.

The previous prime is 1073189347. The next prime is 1073189423. The reversal of 1073189387 is 7839813701.

It is a strong prime.

It is an emirp because it is prime and its reverse (7839813701) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1073189387 - 2¹⁶ = 1073123851 is a prime.

It is not a weakly prime, because it can be changed into another prime (1073189347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 536594693 + 536594694.

It is an arithmetic number, because the mean of its divisors is an integer number (536594694).

Almost surely, 2^1073189387 is an apocalyptic number.

1073189387 is a deficient number, since it is larger than the sum of its proper divisors (1).

1073189387 is an equidigital number, since it uses as much as digits as its factorization.

1073189387 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 254016, while the sum is 47.

The square root of 1073189387 is about 32759.5693958269. The cubic root of 1073189387 is about 1023.8243548808.

The spelling of 1073189387 in words is "one billion, seventy-three million, one hundred eighty-nine thousand, three hundred eighty-seven".