1081136 has 40 divisors (see below), whose sum is σ = 2455200. Its totient is φ = 460992.

The previous prime is 1081133. The next prime is 1081139. The reversal of 1081136 is 6311801.

It is an interprime number because it is at equal distance from previous prime (1081133) and next prime (1081139).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1081133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5390 + ... + 5586.

It is an arithmetic number, because the mean of its divisors is an integer number (61380).

2^1081136 is an apocalyptic number.

1081136 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 1081136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1227600).

1081136 is an abundant number, since it is smaller than the sum of its proper divisors (1374064).

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

1081136 is an equidigital number, since it uses as much as digits as its factorization.

1081136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226 (or 206 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 1081136 is about 1039.7768991471. The cubic root of 1081136 is about 102.6345170226.

Adding to 1081136 its reverse (6311801), we get a palindrome (7392937).

The spelling of 1081136 in words is "one million, eighty-one thousand, one hundred thirty-six".