1123628803 has 4 divisors (see below), whose sum is σ = 1225776888. Its totient is φ = 1021480720.

The previous prime is 1123628801. The next prime is 1123628813. The reversal of 1123628803 is 3088263211.

It is a happy number.

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 1123628803 - 2¹ = 1123628801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1123628801) 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, 51074026 + ... + 51074047.

It is an arithmetic number, because the mean of its divisors is an integer number (306444222).

Almost surely, 2^1123628803 is an apocalyptic number.

1123628803 is a deficient number, since it is larger than the sum of its proper divisors (102148085).

1123628803 is a wasteful number, since it uses less digits than its factorization.

1123628803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102148084.

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 1123628803 is about 33520.5728322175. The cubic root of 1123628803 is about 1039.6191908921.

It can be divided in two parts, 1123 and 628803, that added together give a palindrome (629926).

The spelling of 1123628803 in words is "one billion, one hundred twenty-three million, six hundred twenty-eight thousand, eight hundred three".