1123017803 has 12 divisors (see below), whose sum is σ = 1176416808. Its totient is φ = 1071950880.

The previous prime is 1123017761. The next prime is 1123017817. The reversal of 1123017803 is 3087103211.

It is not a de Polignac number, because 1123017803 - 2¹² = 1123013707 is a prime.

It is a super-2 number, since 2×1123017803² = 2522337971709893618, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123017823) 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 11 ways as a sum of consecutive naturals, for example, 287423 + ... + 291303.

It is an arithmetic number, because the mean of its divisors is an integer number (98034734).

Almost surely, 2^1123017803 is an apocalyptic number.

1123017803 is a deficient number, since it is larger than the sum of its proper divisors (53399005).

1123017803 is an equidigital number, since it uses as much as digits as its factorization.

1123017803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4474 (or 4451 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 1123017803 is about 33511.4577868525. The cubic root of 1123017803 is about 1039.4307174700.

The spelling of 1123017803 in words is "one billion, one hundred twenty-three million, seventeen thousand, eight hundred three".