1081368 has 48 divisors (see below), whose sum is σ = 3060720. Its totient is φ = 344256.

The previous prime is 1081361. The next prime is 1081369. The reversal of 1081368 is 8631801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1081361) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1330 + ... + 1982.

It is an arithmetic number, because the mean of its divisors is an integer number (63765).

2^1081368 is an apocalyptic number.

1081368 is a gapful number since it is divisible by the number (18) 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 1081368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1530360).

1081368 is an abundant number, since it is smaller than the sum of its proper divisors (1979352).

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

1081368 is a wasteful number, since it uses less digits than its factorization.

1081368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 688 (or 681 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 1081368 is about 1039.8884555567. Note that the first 3 decimals coincide. The cubic root of 1081368 is about 102.6418579137.

The spelling of 1081368 in words is "one million, eighty-one thousand, three hundred sixty-eight".