1103203004 has 72 divisors (see below), whose sum is σ = 2166030720. Its totient is φ = 490504608.

The previous prime is 1103203001. The next prime is 1103203009. The reversal of 1103203004 is 4003023011.

It is a self number, because there is not a number n which added to its sum of digits gives 1103203004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103203001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1959227 + ... + 1959789.

It is an arithmetic number, because the mean of its divisors is an integer number (30083760).

Almost surely, 2^1103203004 is an apocalyptic number.

It is an amenable number.

1103203004 is a deficient number, since it is larger than the sum of its proper divisors (1062827716).

1103203004 is a wasteful number, since it uses less digits than its factorization.

1103203004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 687 (or 666 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 1103203004 is about 33214.4999059146. The cubic root of 1103203004 is about 1033.2810831252.

Adding to 1103203004 its reverse (4003023011), we get a palindrome (5106226015).

The spelling of 1103203004 in words is "one billion, one hundred three million, two hundred three thousand, four".