1232540304 has 80 divisors (see below), whose sum is σ = 3299788800. Its totient is φ = 396160128.

The previous prime is 1232540303. The next prime is 1232540321. The reversal of 1232540304 is 4030452321.

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

It is not an unprimeable number, because it can be changed into a prime (1232540303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 159277 + ... + 166835.

It is an arithmetic number, because the mean of its divisors is an integer number (41247360).

Almost surely, 2^1232540304 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 1232540304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1649894400).

1232540304 is an abundant number, since it is smaller than the sum of its proper divisors (2067248496).

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

1232540304 is a wasteful number, since it uses less digits than its factorization.

1232540304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7692 (or 7686 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 1232540304 is about 35107.5533753066. The cubic root of 1232540304 is about 1072.1783740086.

Adding to 1232540304 its reverse (4030452321), we get a palindrome (5262992625).

The spelling of 1232540304 in words is "one billion, two hundred thirty-two million, five hundred forty thousand, three hundred four".