1123122200 has 48 divisors (see below), whose sum is σ = 2724803280. Its totient is φ = 429714560.

The previous prime is 1123122127. The next prime is 1123122229. The reversal of 1123122200 is 22213211.

It is a happy number.

It is a super-2 number, since 2×1123122200² = 2522806952265680000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 117479 + ... + 126678.

It is an arithmetic number, because the mean of its divisors is an integer number (56766735).

Almost surely, 2^1123122200 is an apocalyptic number.

1123122200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1123122200 is an abundant number, since it is smaller than the sum of its proper divisors (1601681080).

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

1123122200 is a wasteful number, since it uses less digits than its factorization.

1123122200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244196 (or 244187 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1123122200 is about 33513.0153820870. The cubic root of 1123122200 is about 1039.4629253555.

Adding to 1123122200 its reverse (22213211), we get a palindrome (1145335411).

The spelling of 1123122200 in words is "one billion, one hundred twenty-three million, one hundred twenty-two thousand, two hundred".