1270849327320 has 128 divisors (see below), whose sum is σ = 3838472375040. Its totient is φ = 336591521280.

The previous prime is 1270849327303. The next prime is 1270849327327. The reversal of 1270849327320 is 237239480721.

It is a super-3 number, since 3×1270849327320³ (a number of 37 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1270849327320.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1270849327327) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 30708082 + ... + 30749438.

It is an arithmetic number, because the mean of its divisors is an integer number (29988065430).

Almost surely, 2^{1270849327320} is an apocalyptic number.

1270849327320 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 1270849327320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1919236187520).

1270849327320 is an abundant number, since it is smaller than the sum of its proper divisors (2567623047720).

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

1270849327320 is a wasteful number, since it uses less digits than its factorization.

1270849327320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43105 (or 43101 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 48.

The spelling of 1270849327320 in words is "one trillion, two hundred seventy billion, eight hundred forty-nine million, three hundred twenty-seven thousand, three hundred twenty".