1080549 has 24 divisors (see below), whose sum is σ = 1684800. Its totient is φ = 665280.

The previous prime is 1080539. The next prime is 1080553. The reversal of 1080549 is 9450801.

It is not a de Polignac number, because 1080549 - 2¹⁷ = 949477 is a prime.

It is a super-2 number, since 2×1080549² = 2335172282802, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1080539) 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 in 23 ways as a sum of consecutive naturals, for example, 12097 + ... + 12185.

It is an arithmetic number, because the mean of its divisors is an integer number (70200).

2^1080549 is an apocalyptic number.

1080549 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1080549 is a deficient number, since it is larger than the sum of its proper divisors (604251).

1080549 is a wasteful number, since it uses less digits than its factorization.

1080549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185 (or 182 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 1080549 is about 1039.4945887305. The cubic root of 1080549 is about 102.6159386111.

The spelling of 1080549 in words is "one million, eighty thousand, five hundred forty-nine".