1106820803 has 4 divisors (see below), whose sum is σ = 1207440888. Its totient is φ = 1006200720.

The previous prime is 1106820791. The next prime is 1106820809. The reversal of 1106820803 is 3080286011.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1106820803 - 2⁴ = 1106820787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1106820809) 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 3 ways as a sum of consecutive naturals, for example, 50310026 + ... + 50310047.

It is an arithmetic number, because the mean of its divisors is an integer number (301860222).

Almost surely, 2^1106820803 is an apocalyptic number.

1106820803 is a deficient number, since it is larger than the sum of its proper divisors (100620085).

1106820803 is a wasteful number, since it uses less digits than its factorization.

1106820803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100620084.

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 1106820803 is about 33268.9164686799. The cubic root of 1106820803 is about 1034.4093506578.

The spelling of 1106820803 in words is "one billion, one hundred six million, eight hundred twenty thousand, eight hundred three".