1320103124340 has 384 divisors, whose sum is σ = 5096988868608. Its totient is φ = 246362757120.

The previous prime is 1320103124297. The next prime is 1320103124341. The reversal of 1320103124340 is 434213010231.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1320103124340.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320103124341) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1925197 + ... + 2519243.

It is an arithmetic number, because the mean of its divisors is an integer number (13273408512).

Almost surely, 2^{1320103124340} is an apocalyptic number.

1320103124340 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 1320103124340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2548494434304).

1320103124340 is an abundant number, since it is smaller than the sum of its proper divisors (3776885744268).

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

1320103124340 is a wasteful number, since it uses less digits than its factorization.

1320103124340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 594127 (or 594125 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 1320103124340 its reverse (434213010231), we get a palindrome (1754316134571).

The spelling of 1320103124340 in words is "one trillion, three hundred twenty billion, one hundred three million, one hundred twenty-four thousand, three hundred forty".