1124221120 has 112 divisors (see below), whose sum is σ = 2933504928. Its totient is φ = 406978560.

The previous prime is 1124221103. The next prime is 1124221141. The reversal of 1124221120 is 211224211.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 1124221094 and 1124221103.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 974464 + ... + 975616.

Almost surely, 2^1124221120 is an apocalyptic number.

1124221120 is a gapful number since it is divisible by the number (10) 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 1124221120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1466752464).

1124221120 is an abundant number, since it is smaller than the sum of its proper divisors (1809283808).

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

1124221120 is a wasteful number, since it uses less digits than its factorization.

1124221120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1458 (or 1448 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 1124221120 is about 33529.4067946333. The cubic root of 1124221120 is about 1039.8018360110.

Adding to 1124221120 its reverse (211224211), we get a palindrome (1335445331).

The spelling of 1124221120 in words is "one billion, one hundred twenty-four million, two hundred twenty-one thousand, one hundred twenty".