1123040204 has 36 divisors (see below), whose sum is σ = 2326412592. Its totient is φ = 471203040.

The previous prime is 1123040203. The next prime is 1123040227. The reversal of 1123040204 is 4020403211.

It is a super-2 number, since 2×1123040204² = 2522438599600723232, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1123040203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 82952 + ... + 95535.

It is an arithmetic number, because the mean of its divisors is an integer number (64622572).

Almost surely, 2^1123040204 is an apocalyptic number.

It is an amenable number.

1123040204 is an abundant number, since it is smaller than the sum of its proper divisors (1203372388).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1123040204 is a wasteful number, since it uses less digits than its factorization.

1123040204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178526 (or 178513 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 1123040204 is about 33511.7920141553. The cubic root of 1123040204 is about 1039.4376286495.

Adding to 1123040204 its reverse (4020403211), we get a palindrome (5143443415).

The spelling of 1123040204 in words is "one billion, one hundred twenty-three million, forty thousand, two hundred four".