1029812 has 12 divisors (see below), whose sum is σ = 2059680. Its totient is φ = 441336.

The previous prime is 1029803. The next prime is 1029823. The reversal of 1029812 is 2189201.

1029812 is an admirable number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 18362 + ... + 18417.

It is an arithmetic number, because the mean of its divisors is an integer number (171640).

2^1029812 is an apocalyptic number.

It is an amenable number.

1029812 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1029812 is a wasteful number, since it uses less digits than its factorization.

1029812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36790 (or 36788 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 23.

The square root of 1029812 is about 1014.7965313303. The cubic root of 1029812 is about 100.9840186458.

The spelling of 1029812 in words is "one million, twenty-nine thousand, eight hundred twelve".