1081184 has 48 divisors (see below), whose sum is σ = 2413152. Its totient is φ = 473088.

The previous prime is 1081163. The next prime is 1081219. The reversal of 1081184 is 4811801.

Together with 1331967 it forms a betrothed pair.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9512 + ... + 9624.

It is an arithmetic number, because the mean of its divisors is an integer number (50274).

2^1081184 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 1081184, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1206576).

1081184 is an abundant number, since it is smaller than the sum of its proper divisors (1331968).

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

1081184 is a wasteful number, since it uses less digits than its factorization.

1081184 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159 (or 151 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 23.

The square root of 1081184 is about 1039.7999807655. The cubic root of 1081184 is about 102.6360359138.

Adding to 1081184 its reverse (4811801), we get a palindrome (5892985).

The spelling of 1081184 in words is "one million, eighty-one thousand, one hundred eighty-four".