1124043340 has 72 divisors (see below), whose sum is σ = 2791040112. Its totient is φ = 379048320.

The previous prime is 1124043329. The next prime is 1124043343. The reversal of 1124043340 is 433404211.

It is not an unprimeable number, because it can be changed into a prime (1124043343) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 50379 + ... + 69181.

It is an arithmetic number, because the mean of its divisors is an integer number (38764446).

Almost surely, 2^1124043340 is an apocalyptic number.

1124043340 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 1124043340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1395520056).

1124043340 is an abundant number, since it is smaller than the sum of its proper divisors (1666996772).

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

1124043340 is a wasteful number, since it uses less digits than its factorization.

1124043340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18887 (or 18878 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 1124043340 is about 33526.7555841599. The cubic root of 1124043340 is about 1039.7470230352.

Adding to 1124043340 its reverse (433404211), we get a palindrome (1557447551).

The spelling of 1124043340 in words is "one billion, one hundred twenty-four million, forty-three thousand, three hundred forty".