1324988730 has 96 divisors (see below), whose sum is σ = 3732477840. Its totient is φ = 326102400.

The previous prime is 1324988729. The next prime is 1324988767. The reversal of 1324988730 is 378894231.

It can be written as a sum of positive squares in 8 ways, for example, as 125821089 + 1199167641 = 11217^2 + 34629^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 194380 + ... + 201080.

Almost surely, 2^1324988730 is an apocalyptic number.

1324988730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1324988730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1866238920).

1324988730 is an abundant number, since it is smaller than the sum of its proper divisors (2407489110).

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

1324988730 is a wasteful number, since it uses less digits than its factorization.

1324988730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6753 (or 6724 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 1324988730 is about 36400.3946407178. The cubic root of 1324988730 is about 1098.3415034563.

The spelling of 1324988730 in words is "one billion, three hundred twenty-four million, nine hundred eighty-eight thousand, seven hundred thirty".