1089152 has 32 divisors (see below), whose sum is σ = 2219520. Its totient is φ = 532224.

The previous prime is 1089133. The next prime is 1089161. The reversal of 1089152 is 2519801.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

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 3 ways as a sum of consecutive naturals, for example, 8513 + ... + 8639.

It is an arithmetic number, because the mean of its divisors is an integer number (69360).

2^1089152 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 1089152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1109760).

1089152 is an abundant number, since it is smaller than the sum of its proper divisors (1130368).

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

1089152 is an equidigital number, since it uses as much as digits as its factorization.

1089152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208 (or 196 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 26.

The square root of 1089152 is about 1043.6244535272. The cubic root of 1089152 is about 102.8875512679.

The spelling of 1089152 in words is "one million, eighty-nine thousand, one hundred fifty-two".