1260349174928 has 20 divisors (see below), whose sum is σ = 2446218154860. Its totient is φ = 629067070464.

The previous prime is 1260349174927. The next prime is 1260349174949. The reversal of 1260349174928 is 8294719430621.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 748626413824 + 511722761104 = 865232^2 + 715348^2 .

It is not an unprimeable number, because it can be changed into a prime (1260349174927) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 69210425 + ... + 69228632.

It is an arithmetic number, because the mean of its divisors is an integer number (122310907743).

Almost surely, 2^{1260349174928} is an apocalyptic number.

It is an amenable number.

1260349174928 is a deficient number, since it is larger than the sum of its proper divisors (1185868979932).

1260349174928 is a wasteful number, since it uses less digits than its factorization.

1260349174928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138439634 (or 138439628 counting only the distinct ones).

The product of its (nonzero) digits is 5225472, while the sum is 56.

The spelling of 1260349174928 in words is "one trillion, two hundred sixty billion, three hundred forty-nine million, one hundred seventy-four thousand, nine hundred twenty-eight".