1148589 has 12 divisors (see below), whose sum is σ = 1786876. Its totient is φ = 706752.

The previous prime is 1148561. The next prime is 1148593. The reversal of 1148589 is 9858411.

It can be written as a sum of positive squares in 2 ways, for example, as 751689 + 396900 = 867^2 + 630^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1148589 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1148549) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4792 + ... + 5025.

2^1148589 is an apocalyptic number.

It is an amenable number.

1148589 is a deficient number, since it is larger than the sum of its proper divisors (638287).

1148589 is a wasteful number, since it uses less digits than its factorization.

1148589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9836 (or 9833 counting only the distinct ones).

The product of its digits is 11520, while the sum is 36.

The square root of 1148589 is about 1071.7224454121. The cubic root of 1148589 is about 104.7260887963.

The spelling of 1148589 in words is "one million, one hundred forty-eight thousand, five hundred eighty-nine".