1092144 has 40 divisors (see below), whose sum is σ = 2875312. Its totient is φ = 357120.

The previous prime is 1092137. The next prime is 1092151. The reversal of 1092144 is 4412901.

It is an interprime number because it is at equal distance from previous prime (1092137) and next prime (1092151).

It is a self number, because there is not a number n which added to its sum of digits gives 1092144.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2742 + ... + 3114.

2^1092144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1092144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1437656).

1092144 is an abundant number, since it is smaller than the sum of its proper divisors (1783168).

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

1092144 is a wasteful number, since it uses less digits than its factorization.

1092144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445 (or 439 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 1092144 is about 1045.0569362480. The cubic root of 1092144 is about 102.9816789609.

The spelling of 1092144 in words is "one million, ninety-two thousand, one hundred forty-four".