1124131440 has 160 divisors (see below), whose sum is σ = 3725761536. Its totient is φ = 279685120.

The previous prime is 1124131423. The next prime is 1124131441. The reversal of 1124131440 is 441314211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1124131441) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 223837 + ... + 228803.

Almost surely, 2^1124131440 is an apocalyptic number.

1124131440 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 1124131440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1862880768).

1124131440 is an abundant number, since it is smaller than the sum of its proper divisors (2601630096).

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

1124131440 is a wasteful number, since it uses less digits than its factorization.

1124131440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5047 (or 5041 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 1124131440 is about 33528.0694344306. The cubic root of 1124131440 is about 1039.7741866733.

Adding to 1124131440 its reverse (441314211), we get a palindrome (1565445651).

The spelling of 1124131440 in words is "one billion, one hundred twenty-four million, one hundred thirty-one thousand, four hundred forty".