1091795103 has 24 divisors (see below), whose sum is σ = 1864480800. Its totient is φ = 602368704.

The previous prime is 1091795093. The next prime is 1091795143. The reversal of 1091795103 is 3015971901.

It is not a de Polignac number, because 1091795103 - 2⁴ = 1091795087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1091795143) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 296968 + ... + 300621.

It is an arithmetic number, because the mean of its divisors is an integer number (77686700).

Almost surely, 2^1091795103 is an apocalyptic number.

1091795103 is a deficient number, since it is larger than the sum of its proper divisors (772685697).

1091795103 is a wasteful number, since it uses less digits than its factorization.

1091795103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 597631 (or 597628 counting only the distinct ones).

The product of its (nonzero) digits is 8505, while the sum is 36.

The square root of 1091795103 is about 33042.3229056312. The cubic root of 1091795103 is about 1029.7071159587.

The spelling of 1091795103 in words is "one billion, ninety-one million, seven hundred ninety-five thousand, one hundred three".