1257272603982 has 24 divisors (see below), whose sum is σ = 2764748713896. Its totient is φ = 412835780016.

The previous prime is 1257272603893. The next prime is 1257272603999. The reversal of 1257272603982 is 2893062727521.

1257272603982 is a `hidden beast` number, since 1 + 2 + 5 + 7 + 27 + 2 + 603 + 9 + 8 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 521256093 + ... + 521258504.

It is an arithmetic number, because the mean of its divisors is an integer number (115197863079).

Almost surely, 2^{1257272603982} is an apocalyptic number.

1257272603982 is an abundant number, since it is smaller than the sum of its proper divisors (1507476109914).

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

1257272603982 is a wasteful number, since it uses less digits than its factorization.

1257272603982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1042514672 (or 1042514669 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 54.

The spelling of 1257272603982 in words is "one trillion, two hundred fifty-seven billion, two hundred seventy-two million, six hundred three thousand, nine hundred eighty-two".