1243341330 has 128 divisors (see below), whose sum is σ = 3730599936. Its totient is φ = 257644800.

The previous prime is 1243341293. The next prime is 1243341347. The reversal of 1243341330 is 331433421.

It is a self number, because there is not a number n which added to its sum of digits gives 1243341330.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 1457184 + ... + 1458036.

It is an arithmetic number, because the mean of its divisors is an integer number (29145312).

Almost surely, 2^1243341330 is an apocalyptic number.

1243341330 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 1243341330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1865299968).

1243341330 is an abundant number, since it is smaller than the sum of its proper divisors (2487258606).

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

1243341330 is a wasteful number, since it uses less digits than its factorization.

1243341330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1512.

The product of its (nonzero) digits is 2592, while the sum is 24.

The square root of 1243341330 is about 35261.0455035015. The cubic root of 1243341330 is about 1075.3011826010.

Adding to 1243341330 its reverse (331433421), we get a palindrome (1574774751).

The spelling of 1243341330 in words is "one billion, two hundred forty-three million, three hundred forty-one thousand, three hundred thirty".