1123412444 has 48 divisors (see below), whose sum is σ = 2454466560. Its totient is φ = 437088960.

The previous prime is 1123412443. The next prime is 1123412447. The reversal of 1123412444 is 4442143211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123412443) 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, 268037 + ... + 272195.

It is an arithmetic number, because the mean of its divisors is an integer number (51134720).

Almost surely, 2^1123412444 is an apocalyptic number.

1123412444 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1123412444 is an abundant number, since it is smaller than the sum of its proper divisors (1331054116).

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

1123412444 is a wasteful number, since it uses less digits than its factorization.

1123412444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5058 (or 5056 counting only the distinct ones).

The product of its digits is 3072, while the sum is 26.

The square root of 1123412444 is about 33517.3454199464. The cubic root of 1123412444 is about 1039.5524590655.

Adding to 1123412444 its reverse (4442143211), we get a palindrome (5565555655).

The spelling of 1123412444 in words is "one billion, one hundred twenty-three million, four hundred twelve thousand, four hundred forty-four".