1081134073 has 4 divisors (see below), whose sum is σ = 1081695888. Its totient is φ = 1080572260.

The previous prime is 1081134071. The next prime is 1081134097. The reversal of 1081134073 is 3704311801.

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 1081134073 - 2¹ = 1081134071 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1081134071) 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, 278011 + ... + 281872.

It is an arithmetic number, because the mean of its divisors is an integer number (270423972).

Almost surely, 2^1081134073 is an apocalyptic number.

It is an amenable number.

1081134073 is a deficient number, since it is larger than the sum of its proper divisors (561815).

1081134073 is an equidigital number, since it uses as much as digits as its factorization.

1081134073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561814.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 1081134073 is about 32880.6032943436. The cubic root of 1081134073 is about 1026.3445604450.

Adding to 1081134073 its reverse (3704311801), we get a palindrome (4785445874).

The spelling of 1081134073 in words is "one billion, eighty-one million, one hundred thirty-four thousand, seventy-three".