1083781441 has 8 divisors (see below), whose sum is σ = 1096168040. Its totient is φ = 1071439488.

The previous prime is 1083781429. The next prime is 1083781463. The reversal of 1083781441 is 1441873801.

It can be written as a sum of positive squares in 4 ways, for example, as 715295025 + 368486416 = 26745^2 + 19196^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1083781441 - 2¹⁷ = 1083650369 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1083781441.

It is not an unprimeable number, because it can be changed into a prime (1083781241) 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, 38935 + ... + 60691.

It is an arithmetic number, because the mean of its divisors is an integer number (137021005).

Almost surely, 2^1083781441 is an apocalyptic number.

It is an amenable number.

1083781441 is a deficient number, since it is larger than the sum of its proper divisors (12386599).

1083781441 is a wasteful number, since it uses less digits than its factorization.

1083781441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22323.

The product of its (nonzero) digits is 21504, while the sum is 37.

The square root of 1083781441 is about 32920.8359705521. The cubic root of 1083781441 is about 1027.1816126458.

The spelling of 1083781441 in words is "one billion, eighty-three million, seven hundred eighty-one thousand, four hundred forty-one".