1123122204 has 54 divisors (see below), whose sum is σ = 3015855024. Its totient is φ = 352348800.

The previous prime is 1123122127. The next prime is 1123122229. The reversal of 1123122204 is 4022213211.

It is a happy number.

It is a super-2 number, since 2×1123122204² = 2522806970235635232, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 43572 + ... + 64379.

Almost surely, 2^1123122204 is an apocalyptic number.

It is an amenable number.

1123122204 is an abundant number, since it is smaller than the sum of its proper divisors (1892732820).

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

1123122204 is a wasteful number, since it uses less digits than its factorization.

1123122204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107995 (or 107973 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1123122204 is about 33513.0154417653. The cubic root of 1123122204 is about 1039.4629265895.

Adding to 1123122204 its reverse (4022213211), we get a palindrome (5145335415).

The spelling of 1123122204 in words is "one billion, one hundred twenty-three million, one hundred twenty-two thousand, two hundred four".