1081703573 has 4 divisors (see below), whose sum is σ = 1138635360. Its totient is φ = 1024771788.

The previous prime is 1081703569. The next prime is 1081703617. The reversal of 1081703573 is 3753071801.

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 1081703573 - 2² = 1081703569 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 (1081703503) 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, 28465865 + ... + 28465902.

It is an arithmetic number, because the mean of its divisors is an integer number (284658840).

Almost surely, 2^1081703573 is an apocalyptic number.

It is an amenable number.

1081703573 is a deficient number, since it is larger than the sum of its proper divisors (56931787).

1081703573 is an equidigital number, since it uses as much as digits as its factorization.

1081703573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56931786.

The product of its (nonzero) digits is 17640, while the sum is 35.

The square root of 1081703573 is about 32889.2622750952. The cubic root of 1081703573 is about 1026.5247418060.

The spelling of 1081703573 in words is "one billion, eighty-one million, seven hundred three thousand, five hundred seventy-three".