1123740024 has 128 divisors (see below), whose sum is σ = 3256934400. Its totient is φ = 319818240.

The previous prime is 1123740017. The next prime is 1123740041. The reversal of 1123740024 is 4200473211.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 1123739976 and 1123740003.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 281289 + ... + 285255.

It is an arithmetic number, because the mean of its divisors is an integer number (25444800).

Almost surely, 2^1123740024 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1123740024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1628467200).

1123740024 is an abundant number, since it is smaller than the sum of its proper divisors (2133194376).

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

1123740024 is a wasteful number, since it uses less digits than its factorization.

1123740024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4053 (or 4049 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 1123740024 is about 33522.2317872781. The cubic root of 1123740024 is about 1039.6534915647.

It can be divided in two parts, 1123 and 740024, that added together give a palindrome (741147).

The spelling of 1123740024 in words is "one billion, one hundred twenty-three million, seven hundred forty thousand, twenty-four".