1081528 has 48 divisors (see below), whose sum is σ = 2462400. Its totient is φ = 443520.

The previous prime is 1081513. The next prime is 1081541. The reversal of 1081528 is 8251801.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12108 + ... + 12196.

It is an arithmetic number, because the mean of its divisors is an integer number (51300).

2^1081528 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 1081528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1231200).

1081528 is an abundant number, since it is smaller than the sum of its proper divisors (1380872).

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

1081528 is a wasteful number, since it uses less digits than its factorization.

1081528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140 (or 129 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 25.

The square root of 1081528 is about 1039.9653840393. The cubic root of 1081528 is about 102.6469199855.

The spelling of 1081528 in words is "one million, eighty-one thousand, five hundred twenty-eight".