1270748065648 has 20 divisors (see below), whose sum is σ = 2462103491680. Its totient is φ = 635366519424.

The previous prime is 1270748065633. The next prime is 1270748065649. The reversal of 1270748065648 is 8465608470721.

It is a super-3 number, since 3×1270748065648³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 1270748065592 and 1270748065601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1270748065649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1080868 + ... + 1926076.

It is an arithmetic number, because the mean of its divisors is an integer number (123105174584).

Almost surely, 2^{1270748065648} is an apocalyptic number.

It is an amenable number.

1270748065648 is a deficient number, since it is larger than the sum of its proper divisors (1191355426032).

1270748065648 is an equidigital number, since it uses as much as digits as its factorization.

1270748065648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 939184 (or 939178 counting only the distinct ones).

The product of its (nonzero) digits is 18063360, while the sum is 58.

The spelling of 1270748065648 in words is "one trillion, two hundred seventy billion, seven hundred forty-eight million, sixty-five thousand, six hundred forty-eight".