1123626112 has 128 divisors (see below), whose sum is σ = 2683497600. Its totient is φ = 458465280.

The previous prime is 1123626089. The next prime is 1123626167. The reversal of 1123626112 is 2116263211.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (128).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2156412 + ... + 2156932.

It is an arithmetic number, because the mean of its divisors is an integer number (20964825).

Almost surely, 2^1123626112 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 1123626112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1341748800).

1123626112 is an abundant number, since it is smaller than the sum of its proper divisors (1559871488).

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

1123626112 is an equidigital number, since it uses as much as digits as its factorization.

1123626112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 654 (or 642 counting only the distinct ones).

The product of its digits is 864, while the sum is 25.

The square root of 1123626112 is about 33520.5326926647. The cubic root of 1123626112 is about 1039.6183609568.

Adding to 1123626112 its reverse (2116263211), we get a palindrome (3239889323).

The spelling of 1123626112 in words is "one billion, one hundred twenty-three million, six hundred twenty-six thousand, one hundred twelve".