1123210204 has 6 divisors (see below), whose sum is σ = 1965617864. Its totient is φ = 561605100.

The previous prime is 1123210201. The next prime is 1123210217. The reversal of 1123210204 is 4020123211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123210201) 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 as a sum of consecutive naturals, namely, 140401272 + ... + 140401279.

Almost surely, 2^1123210204 is an apocalyptic number.

It is an amenable number.

1123210204 is a deficient number, since it is larger than the sum of its proper divisors (842407660).

1123210204 is a wasteful number, since it uses less digits than its factorization.

1123210204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280802555 (or 280802553 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1123210204 is about 33514.3283387867. The cubic root of 1123210204 is about 1039.4900742286.

Adding to 1123210204 its reverse (4020123211), we get a palindrome (5143333415).

The spelling of 1123210204 in words is "one billion, one hundred twenty-three million, two hundred ten thousand, two hundred four".