1804126 has 16 divisors (see below), whose sum is σ = 2874960. Its totient is φ = 846720.

The previous prime is 1804093. The next prime is 1804129. The reversal of 1804126 is 6214081.

It is a junction number, because it is equal to n+sod(n) for n = 1804097 and 1804106.

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 7 ways as a sum of consecutive naturals, for example, 7366 + ... + 7606.

It is an arithmetic number, because the mean of its divisors is an integer number (179685).

2^1804126 is an apocalyptic number.

1804126 is the 850-th centered pentagonal number.

1804126 is a deficient number, since it is larger than the sum of its proper divisors (1070834).

1804126 is a wasteful number, since it uses less digits than its factorization.

1804126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459.

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 1804126 is about 1343.1775757509. The cubic root of 1804126 is about 121.7369140420.

The spelling of 1804126 in words is "one million, eight hundred four thousand, one hundred twenty-six".