1078589 has 2 divisors, whose sum is σ = 1078590. Its totient is φ = 1078588.

The previous prime is 1078559. The next prime is 1078643. The reversal of 1078589 is 9858701.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1060900 + 17689 = 1030^2 + 133^2 .

It is a cyclic number.

It is not a de Polignac number, because 1078589 - 2⁸ = 1078333 is a prime.

It is a Chen prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1078559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 539294 + 539295.

It is an arithmetic number, because the mean of its divisors is an integer number (539295).

2^1078589 is an apocalyptic number.

It is an amenable number.

1078589 is a deficient number, since it is larger than the sum of its proper divisors (1).

1078589 is an equidigital number, since it uses as much as digits as its factorization.

1078589 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20160, while the sum is 38.

The square root of 1078589 is about 1038.5513949728. The cubic root of 1078589 is about 102.5538562900.

The spelling of 1078589 in words is "one million, seventy-eight thousand, five hundred eighty-nine".