1008812 has 18 divisors (see below), whose sum is σ = 2054052. Its totient is φ = 432264.

The previous prime is 1008809. The next prime is 1008817. The reversal of 1008812 is 2188001.

It is not an unprimeable number, because it can be changed into a prime (1008817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2378 + ... + 2769.

It is an arithmetic number, because the mean of its divisors is an integer number (114114).

2^1008812 is an apocalyptic number.

It is an amenable number.

1008812 is an abundant number, since it is smaller than the sum of its proper divisors (1045240).

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

1008812 is a wasteful number, since it uses less digits than its factorization.

1008812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5165 (or 5156 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

The square root of 1008812 is about 1004.3963361144. The cubic root of 1008812 is about 100.2928747398.

The spelling of 1008812 in words is "one million, eight thousand, eight hundred twelve".