1324321152 has 128 divisors (see below), whose sum is σ = 4385836800. Its totient is φ = 343971840.

The previous prime is 1324321121. The next prime is 1324321153. The reversal of 1324321152 is 2511234231.

It is a tau number, because it is divible by the number of its divisors (128).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1324321153) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7174 + ... + 51962.

It is an arithmetic number, because the mean of its divisors is an integer number (34264350).

Almost surely, 2^1324321152 is an apocalyptic number.

1324321152 is a gapful number since it is divisible by the number (12) 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 1324321152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2192918400).

1324321152 is an abundant number, since it is smaller than the sum of its proper divisors (3061515648).

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

1324321152 is a wasteful number, since it uses less digits than its factorization.

1324321152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44824 (or 44812 counting only the distinct ones).

The product of its digits is 1440, while the sum is 24.

The square root of 1324321152 is about 36391.2235573359. The cubic root of 1324321152 is about 1098.1570108679.

Adding to 1324321152 its reverse (2511234231), we get a palindrome (3835555383).

The spelling of 1324321152 in words is "one billion, three hundred twenty-four million, three hundred twenty-one thousand, one hundred fifty-two".