1185589 has 2 divisors, whose sum is σ = 1185590. Its totient is φ = 1185588.

The previous prime is 1185577. The next prime is 1185601. The reversal of 1185589 is 9855811.

It is a balanced prime because it is at equal distance from previous prime (1185577) and next prime (1185601).

It can be written as a sum of positive squares in only one way, i.e., 874225 + 311364 = 935^2 + 558^2 .

It is a cyclic number.

It is not a de Polignac number, because 1185589 - 2⁹ = 1185077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1185559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 592794 + 592795.

It is an arithmetic number, because the mean of its divisors is an integer number (592795).

2^1185589 is an apocalyptic number.

It is an amenable number.

1185589 is a deficient number, since it is larger than the sum of its proper divisors (1).

1185589 is an equidigital number, since it uses as much as digits as its factorization.

1185589 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14400, while the sum is 37.

The square root of 1185589 is about 1088.8475559049. The cubic root of 1185589 is about 105.8387544843.

The spelling of 1185589 in words is "one million, one hundred eighty-five thousand, five hundred eighty-nine".