1051804 has 24 divisors (see below), whose sum is σ = 2010960. Its totient is φ = 478464.

The previous prime is 1051789. The next prime is 1051811. The reversal of 1051804 is 4081501.

1051804 is nontrivially palindromic in base 12.

It is a super-2 number, since 2×1051804² = 2212583308832, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5787 + ... + 5965.

It is an arithmetic number, because the mean of its divisors is an integer number (83790).

2^1051804 is an apocalyptic number.

It is an amenable number.

1051804 is a deficient number, since it is larger than the sum of its proper divisors (959156).

1051804 is a wasteful number, since it uses less digits than its factorization.

1051804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309 (or 307 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 19.

The square root of 1051804 is about 1025.5749606928. The cubic root of 1051804 is about 101.6978112352.

It can be divided in two parts, 105 and 1804, that multiplied together give a triangular number (189420 = T₆₁₅).

The spelling of 1051804 in words is "one million, fifty-one thousand, eight hundred four".