1124220240 has 480 divisors, whose sum is σ = 4533459840. Its totient is φ = 246067200.

The previous prime is 1124220211. The next prime is 1124220241. The reversal of 1124220240 is 420224211.

1124220240 is a `hidden beast` number, since 1 + 1 + 2 + 422 + 0 + 240 = 666.

It is a super-2 number, since 2×1124220240² = 2527742296051315200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1124220241) by changing a digit.

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 95 ways as a sum of consecutive naturals, for example, 6280471 + ... + 6280649.

It is an arithmetic number, because the mean of its divisors is an integer number (9444708).

Almost surely, 2^1124220240 is an apocalyptic number.

1124220240 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 1124220240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2266729920).

1124220240 is an abundant number, since it is smaller than the sum of its proper divisors (3409239600).

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

1124220240 is a wasteful number, since it uses less digits than its factorization.

1124220240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283 (or 274 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 1124220240 is about 33529.3936718217. The cubic root of 1124220240 is about 1039.8015647044.

Adding to 1124220240 its reverse (420224211), we get a palindrome (1544444451).

The spelling of 1124220240 in words is "one billion, one hundred twenty-four million, two hundred twenty thousand, two hundred forty".