1124120440 has 32 divisors (see below), whose sum is σ = 2530226160. Its totient is φ = 449478400.

The previous prime is 1124120429. The next prime is 1124120447. The reversal of 1124120440 is 440214211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1124120447) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 200475 + ... + 206005.

Almost surely, 2^1124120440 is an apocalyptic number.

1124120440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1124120440 is an abundant number, since it is smaller than the sum of its proper divisors (1406105720).

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

1124120440 is a wasteful number, since it uses less digits than its factorization.

1124120440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10623 (or 10619 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 1124120440 is about 33527.9053923743. The cubic root of 1124120440 is about 1039.7707951502.

Adding to 1124120440 its reverse (440214211), we get a palindrome (1564334651).

The spelling of 1124120440 in words is "one billion, one hundred twenty-four million, one hundred twenty thousand, four hundred forty".