1081924 has 12 divisors (see below), whose sum is σ = 1904364. Its totient is φ = 537824.

The previous prime is 1081919. The next prime is 1081937. The reversal of 1081924 is 4291801.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1065024 + 16900 = 1032^2 + 130^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102 + ... + 1474.

It is an arithmetic number, because the mean of its divisors is an integer number (158697).

2^1081924 is an apocalyptic number.

It is an amenable number.

1081924 is a deficient number, since it is larger than the sum of its proper divisors (822440).

1081924 is a wasteful number, since it uses less digits than its factorization.

1081924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1574 (or 1572 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 1081924 is about 1040.1557575671. The cubic root of 1081924 is about 102.6594464666.

The spelling of 1081924 in words is "one million, eighty-one thousand, nine hundred twenty-four".