1081208793 has 16 divisors (see below), whose sum is σ = 1700704256. Its totient is φ = 597903120.

The previous prime is 1081208761. The next prime is 1081208797. The reversal of 1081208793 is 3978021801.

It is not a de Polignac number, because 1081208793 - 2⁵ = 1081208761 is a prime.

It is a super-3 number, since 3×1081208793³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1081208797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 829771 + ... + 831072.

It is an arithmetic number, because the mean of its divisors is an integer number (106294016).

Almost surely, 2^1081208793 is an apocalyptic number.

It is an amenable number.

1081208793 is a deficient number, since it is larger than the sum of its proper divisors (619495463).

1081208793 is a wasteful number, since it uses less digits than its factorization.

1081208793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1660884.

The product of its (nonzero) digits is 24192, while the sum is 39.

The square root of 1081208793 is about 32881.7395069057. The cubic root of 1081208793 is about 1026.3682043516.

The spelling of 1081208793 in words is "one billion, eighty-one million, two hundred eight thousand, seven hundred ninety-three".