1080489 has 4 divisors (see below), whose sum is σ = 1440656. Its totient is φ = 720324.

The previous prime is 1080481. The next prime is 1080491. The reversal of 1080489 is 9840801.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1080489 - 2³ = 1080481 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1080481) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 180079 + ... + 180084.

It is an arithmetic number, because the mean of its divisors is an integer number (360164).

2^1080489 is an apocalyptic number.

It is an amenable number.

1080489 is a deficient number, since it is larger than the sum of its proper divisors (360167).

1080489 is an equidigital number, since it uses as much as digits as its factorization.

1080489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360166.

The product of its (nonzero) digits is 2304, while the sum is 30.

The square root of 1080489 is about 1039.4657281508. The cubic root of 1080489 is about 102.6140392463.

The spelling of 1080489 in words is "one million, eighty thousand, four hundred eighty-nine".