1324134720 has 168 divisors, whose sum is σ = 4578156960. Its totient is φ = 351267840.

The previous prime is 1324134701. The next prime is 1324134727. The reversal of 1324134720 is 274314231.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1324134727) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 606591 + ... + 608769.

Almost surely, 2^1324134720 is an apocalyptic number.

1324134720 is a gapful number since it is divisible by the number (10) 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 1324134720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2289078480).

1324134720 is an abundant number, since it is smaller than the sum of its proper divisors (3254022240).

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

1324134720 is a wasteful number, since it uses less digits than its factorization.

1324134720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2413 (or 2400 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 1324134720 is about 36388.6619704545. The cubic root of 1324134720 is about 1098.1054772412.

Adding to 1324134720 its reverse (274314231), we get a palindrome (1598448951).

It can be divided in two parts, 13241 and 34720, that added together give a square (47961 = 219²).

The spelling of 1324134720 in words is "one billion, three hundred twenty-four million, one hundred thirty-four thousand, seven hundred twenty".