1124004140 has 120 divisors (see below), whose sum is σ = 2795173920. Its totient is φ = 379593984.

The previous prime is 1124004139. The next prime is 1124004143. The reversal of 1124004140 is 414004211.

It is not an unprimeable number, because it can be changed into a prime (1124004143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 4273649 + ... + 4273911.

It is an arithmetic number, because the mean of its divisors is an integer number (23293116).

Almost surely, 2^1124004140 is an apocalyptic number.

1124004140 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 1124004140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1397586960).

1124004140 is an abundant number, since it is smaller than the sum of its proper divisors (1671169780).

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

1124004140 is an equidigital number, since it uses as much as digits as its factorization.

1124004140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389 (or 366 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 1124004140 is about 33526.1709713471. The cubic root of 1124004140 is about 1039.7349361474.

Adding to 1124004140 its reverse (414004211), we get a palindrome (1538008351).

The spelling of 1124004140 in words is "one billion, one hundred twenty-four million, four thousand, one hundred forty".