1803471121 has 8 divisors (see below), whose sum is σ = 1842367680. Its totient is φ = 1764754992.

The previous prime is 1803471091. The next prime is 1803471139. The reversal of 1803471121 is 1211743081.

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

It is not a de Polignac number, because 1803471121 - 2⁹ = 1803470609 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1803471121.

It is not an unprimeable number, because it can be changed into a prime (1803471181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24805 + ... + 64978.

It is an arithmetic number, because the mean of its divisors is an integer number (230295960).

Almost surely, 2^1803471121 is an apocalyptic number.

It is an amenable number.

1803471121 is a deficient number, since it is larger than the sum of its proper divisors (38896559).

1803471121 is an equidigital number, since it uses as much as digits as its factorization.

1803471121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90215.

The product of its (nonzero) digits is 1344, while the sum is 28.

The square root of 1803471121 is about 42467.2947219387. The cubic root of 1803471121 is about 1217.2218251427.

The spelling of 1803471121 in words is "one billion, eight hundred three million, four hundred seventy-one thousand, one hundred twenty-one".