1121024448 has 280 divisors, whose sum is σ = 3505151232. Its totient is φ = 353880576.

The previous prime is 1121024423. The next prime is 1121024473. The reversal of 1121024448 is 8444201211.

1121024448 is a `hidden beast` number, since 1 + 1 + 210 + 2 + 4 + 448 = 666.

It is an interprime number because it is at equal distance from previous prime (1121024423) and next prime (1121024473).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 10476811 + ... + 10476917.

Almost surely, 2^1121024448 is an apocalyptic number.

1121024448 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1121024448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1752575616).

1121024448 is an abundant number, since it is smaller than the sum of its proper divisors (2384126784).

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

1121024448 is a wasteful number, since it uses less digits than its factorization.

1121024448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221 (or 202 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 27.

The square root of 1121024448 is about 33481.7031824846. The cubic root of 1121024448 is about 1038.8153572243.

Adding to 1121024448 its reverse (8444201211), we get a palindrome (9565225659).

The spelling of 1121024448 in words is "one billion, one hundred twenty-one million, twenty-four thousand, four hundred forty-eight".