1071804 has 12 divisors (see below), whose sum is σ = 2500904. Its totient is φ = 357264.

The previous prime is 1071803. The next prime is 1071817. The reversal of 1071804 is 4081701.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×1071804² = 2297527628832, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1071803) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44647 + ... + 44670.

2^1071804 is an apocalyptic number.

It is an amenable number.

1071804 is an abundant number, since it is smaller than the sum of its proper divisors (1429100).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1071804 is a wasteful number, since it uses less digits than its factorization.

1071804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89324 (or 89322 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 21.

The square root of 1071804 is about 1035.2796723591. The cubic root of 1071804 is about 102.3383611385.

The spelling of 1071804 in words is "one million, seventy-one thousand, eight hundred four".