1121124480 has 128 divisors (see below), whose sum is σ = 4084145280. Its totient is φ = 256253952.

The previous prime is 1121124461. The next prime is 1121124497. The reversal of 1121124480 is 844211211.

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

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 1121124480.

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, 28269 + ... + 55148.

It is an arithmetic number, because the mean of its divisors is an integer number (31907385).

Almost surely, 2^1121124480 is an apocalyptic number.

1121124480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1121124480 is an abundant number, since it is smaller than the sum of its proper divisors (2963020800).

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

1121124480 is an equidigital number, since it uses as much as digits as its factorization.

1121124480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83446 (or 83434 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 24.

The square root of 1121124480 is about 33483.1969799779. The cubic root of 1121124480 is about 1038.8462550599.

Adding to 1121124480 its reverse (844211211), we get a palindrome (1965335691).

The spelling of 1121124480 in words is "one billion, one hundred twenty-one million, one hundred twenty-four thousand, four hundred eighty".