1123904448 has 42 divisors (see below), whose sum is σ = 3221470824. Its totient is φ = 374634624.

The previous prime is 1123904417. The next prime is 1123904461. The reversal of 1123904448 is 8444093211.

It is a happy number.

1123904448 is a `hidden beast` number, since 1 + 123 + 90 + 4 + 448 = 666.

It is a super-2 number, since 2×1123904448² = 2526322416468369408, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 975036 + ... + 976187.

Almost surely, 2^1123904448 is an apocalyptic number.

1123904448 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1123904448 is an abundant number, since it is smaller than the sum of its proper divisors (2097566376).

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

1123904448 is a wasteful number, since it uses less digits than its factorization.

1123904448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1951241 (or 1951228 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 1123904448 is about 33524.6841595861. The cubic root of 1123904448 is about 1039.7041959522.

Adding to 1123904448 its reverse (8444093211), we get a palindrome (9567997659).

The spelling of 1123904448 in words is "one billion, one hundred twenty-three million, nine hundred four thousand, four hundred forty-eight".