1804125 has 32 divisors (see below), whose sum is σ = 3189888. Its totient is φ = 902400.

The previous prime is 1804093. The next prime is 1804129. The reversal of 1804125 is 5214081.

It is not a de Polignac number, because 1804125 - 2⁵ = 1804093 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1804129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6234 + ... + 6516.

It is an arithmetic number, because the mean of its divisors is an integer number (99684).

2^1804125 is an apocalyptic number.

1804125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1804125 is a deficient number, since it is larger than the sum of its proper divisors (1385763).

1804125 is a wasteful number, since it uses less digits than its factorization.

1804125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318 (or 308 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 21.

The square root of 1804125 is about 1343.1772034992. The cubic root of 1804125 is about 121.7368915497.

The spelling of 1804125 in words is "one million, eight hundred four thousand, one hundred twenty-five".