1084109 has 8 divisors (see below), whose sum is σ = 1181880. Its totient is φ = 988416.

The previous prime is 1084103. The next prime is 1084133. The reversal of 1084109 is 9014801.

It can be written as a sum of positive squares in 4 ways, for example, as 64009 + 1020100 = 253^2 + 1010^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1084109 - 2⁴ = 1084093 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1084103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 689 + ... + 1625.

It is an arithmetic number, because the mean of its divisors is an integer number (147735).

2^1084109 is an apocalyptic number.

It is an amenable number.

1084109 is a deficient number, since it is larger than the sum of its proper divisors (97771).

1084109 is an equidigital number, since it uses as much as digits as its factorization.

1084109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1039.

The product of its (nonzero) digits is 288, while the sum is 23.

The square root of 1084109 is about 1041.2055512722. The cubic root of 1084109 is about 102.7285086365.

The spelling of 1084109 in words is "one million, eighty-four thousand, one hundred nine".