1149589 has 12 divisors (see below), whose sum is σ = 1385100. Its totient is φ = 950208.

The previous prime is 1149587. The next prime is 1149593. The reversal of 1149589 is 9859411.

It can be written as a sum of positive squares in 2 ways, for example, as 828100 + 321489 = 910^2 + 567^2 .

It is not a de Polignac number, because 1149589 - 2¹ = 1149587 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1149581) 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, 1017 + ... + 1825.

It is an arithmetic number, because the mean of its divisors is an integer number (115425).

2^1149589 is an apocalyptic number.

It is an amenable number.

1149589 is a deficient number, since it is larger than the sum of its proper divisors (235511).

1149589 is an equidigital number, since it uses as much as digits as its factorization.

1149589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 852 (or 845 counting only the distinct ones).

The product of its digits is 12960, while the sum is 37.

The square root of 1149589 is about 1072.1888826135. The cubic root of 1149589 is about 104.7564726588.

The spelling of 1149589 in words is "one million, one hundred forty-nine thousand, five hundred eighty-nine".