1123024240 has 40 divisors (see below), whose sum is σ = 2811882528. Its totient is φ = 414654720.

The previous prime is 1123024237. The next prime is 1123024247. The reversal of 1123024240 is 424203211.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×1123024240² = 2522366887255155200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123024247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 538876 + ... + 540955.

Almost surely, 2^1123024240 is an apocalyptic number.

1123024240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1123024240 is an abundant number, since it is smaller than the sum of its proper divisors (1688858288).

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

1123024240 is a wasteful number, since it uses less digits than its factorization.

1123024240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1079857 (or 1079851 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1123024240 is about 33511.5538284932. The cubic root of 1123024240 is about 1039.4327034293.

Adding to 1123024240 its reverse (424203211), we get a palindrome (1547227451).

The spelling of 1123024240 in words is "one billion, one hundred twenty-three million, twenty-four thousand, two hundred forty".