1232941728 has 192 divisors, whose sum is σ = 3592512000. Its totient is φ = 368492544.

The previous prime is 1232941691. The next prime is 1232941729. The reversal of 1232941728 is 8271492321.

It is not an unprimeable number, because it can be changed into a prime (1232941729) 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, 5158633 + ... + 5158871.

It is an arithmetic number, because the mean of its divisors is an integer number (18711000).

Almost surely, 2^1232941728 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 1232941728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1796256000).

1232941728 is an abundant number, since it is smaller than the sum of its proper divisors (2359570272).

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

1232941728 is a wasteful number, since it uses less digits than its factorization.

1232941728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407 (or 399 counting only the distinct ones).

The product of its digits is 48384, while the sum is 39.

The square root of 1232941728 is about 35113.2699701979. The cubic root of 1232941728 is about 1072.2947600376.

The spelling of 1232941728 in words is "one billion, two hundred thirty-two million, nine hundred forty-one thousand, seven hundred twenty-eight".