1273978522948 has 24 divisors (see below), whose sum is σ = 2233822190040. Its totient is φ = 635744440320.

The previous prime is 1273978522919. The next prime is 1273978522951. The reversal of 1273978522948 is 8492258793721.

It can be written as a sum of positive squares in 4 ways, for example, as 99785228544 + 1174193294404 = 315888^2 + 1083602^2 .

It is a super-2 number, since 2×1273978522948² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6137988 + ... + 6342148.

It is an arithmetic number, because the mean of its divisors is an integer number (93075924585).

Almost surely, 2^{1273978522948} is an apocalyptic number.

It is an amenable number.

1273978522948 is a deficient number, since it is larger than the sum of its proper divisors (959843667092).

1273978522948 is a wasteful number, since it uses less digits than its factorization.

1273978522948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207207 (or 207205 counting only the distinct ones).

The product of its digits is 121927680, while the sum is 67.

The spelling of 1273978522948 in words is "one trillion, two hundred seventy-three billion, nine hundred seventy-eight million, five hundred twenty-two thousand, nine hundred forty-eight".