1121330448 has 120 divisors (see below), whose sum is σ = 3775304000. Its totient is φ = 303512832.

The previous prime is 1121330411. The next prime is 1121330461. The reversal of 1121330448 is 8440331211.

1121330448 is a `hidden beast` number, since 1 + 1 + 213 + 3 + 0 + 448 = 666.

It is a super-2 number, since 2×1121330448² = 2514763947223761408, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10123 + ... + 48426.

Almost surely, 2^1121330448 is an apocalyptic number.

1121330448 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 1121330448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1887652000).

1121330448 is an abundant number, since it is smaller than the sum of its proper divisors (2653973552).

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

1121330448 is a wasteful number, since it uses less digits than its factorization.

1121330448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58589 (or 58580 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 1121330448 is about 33486.2725306953. The cubic root of 1121330448 is about 1038.9098685680.

Adding to 1121330448 its reverse (8440331211), we get a palindrome (9561661659).

The spelling of 1121330448 in words is "one billion, one hundred twenty-one million, three hundred thirty thousand, four hundred forty-eight".