1123122108 has 48 divisors (see below), whose sum is σ = 2752081920. Its totient is φ = 355802304.

The previous prime is 1123122101. The next prime is 1123122109. The reversal of 1123122108 is 8012213211.

It is a super-2 number, since 2×1123122108² = 2522806538956727328, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123122101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30373 + ... + 56291.

It is an arithmetic number, because the mean of its divisors is an integer number (57335040).

Almost surely, 2^1123122108 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1123122108, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1376040960).

1123122108 is an abundant number, since it is smaller than the sum of its proper divisors (1628959812).

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

1123122108 is a wasteful number, since it uses less digits than its factorization.

1123122108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26106 (or 26104 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 21.

The square root of 1123122108 is about 33513.0140094859. The cubic root of 1123122108 is about 1039.4628969731.

Adding to 1123122108 its reverse (8012213211), we get a palindrome (9135335319).

The spelling of 1123122108 in words is "one billion, one hundred twenty-three million, one hundred twenty-two thousand, one hundred eight".