1081536 has 56 divisors (see below), whose sum is σ = 2950464. Its totient is φ = 349440.

The previous prime is 1081513. The next prime is 1081541. The reversal of 1081536 is 6351801.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 8191 + ... + 8321.

2^1081536 is an apocalyptic number.

1081536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1081536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1475232).

1081536 is an abundant number, since it is smaller than the sum of its proper divisors (1868928).

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

1081536 is a wasteful number, since it uses less digits than its factorization.

1081536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189 (or 179 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 1081536 is about 1039.9692303141. The cubic root of 1081536 is about 102.6471730760.

The spelling of 1081536 in words is "one million, eighty-one thousand, five hundred thirty-six".