1081443053 has 4 divisors (see below), whose sum is σ = 1083125568. Its totient is φ = 1079760540.

The previous prime is 1081443023. The next prime is 1081443061. The reversal of 1081443053 is 3503441801.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1081443053 - 2¹² = 1081438957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1081443023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 840293 + ... + 841578.

It is an arithmetic number, because the mean of its divisors is an integer number (270781392).

Almost surely, 2^1081443053 is an apocalyptic number.

It is an amenable number.

1081443053 is a deficient number, since it is larger than the sum of its proper divisors (1682515).

1081443053 is an equidigital number, since it uses as much as digits as its factorization.

1081443053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1682514.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 1081443053 is about 32885.3014734547. The cubic root of 1081443053 is about 1026.4423249884.

Adding to 1081443053 its reverse (3503441801), we get a palindrome (4584884854).

The spelling of 1081443053 in words is "one billion, eighty-one million, four hundred forty-three thousand, fifty-three".