1066872 has 16 divisors (see below), whose sum is σ = 2667240. Its totient is φ = 355616.

The previous prime is 1066867. The next prime is 1066883. The reversal of 1066872 is 2786601.

It is a happy number.

It is a super-2 number, since 2×1066872² = 2276431728768, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22203 + ... + 22250.

2^1066872 is an apocalyptic number.

1066872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1066872 is an abundant number, since it is smaller than the sum of its proper divisors (1600368).

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

1066872 is a wasteful number, since it uses less digits than its factorization.

1066872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44462 (or 44458 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 1066872 is about 1032.8949607777. The cubic root of 1066872 is about 102.1811467681.

The spelling of 1066872 in words is "one million, sixty-six thousand, eight hundred seventy-two".