1083321109 has 4 divisors (see below), whose sum is σ = 1166653516. Its totient is φ = 999988704.

The previous prime is 1083321101. The next prime is 1083321121. The reversal of 1083321109 is 9011233801.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 172186884 + 911134225 = 13122^2 + 30185^2 .

It is not a de Polignac number, because 1083321109 - 2³ = 1083321101 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 (1083321101) 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 3 ways as a sum of consecutive naturals, for example, 41666184 + ... + 41666209.

It is an arithmetic number, because the mean of its divisors is an integer number (291663379).

Almost surely, 2^1083321109 is an apocalyptic number.

It is an amenable number.

1083321109 is a deficient number, since it is larger than the sum of its proper divisors (83332407).

1083321109 is an equidigital number, since it uses as much as digits as its factorization.

1083321109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83332406.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 1083321109 is about 32913.8437287413. The cubic root of 1083321109 is about 1027.0361615704.

The spelling of 1083321109 in words is "one billion, eighty-three million, three hundred twenty-one thousand, one hundred nine".