127794740512 has 12 divisors (see below), whose sum is σ = 251595895446. Its totient is φ = 63897370240.

The previous prime is 127794740503. The next prime is 127794740609. The reversal of 127794740512 is 215047497721.

It can be written as a sum of positive squares in only one way, i.e., 98442827536 + 29351912976 = 313756^2 + 171324^2 .

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 as a sum of consecutive naturals, namely, 1996792789 + ... + 1996792852.

Almost surely, 2^127794740512 is an apocalyptic number.

It is an amenable number.

127794740512 is a deficient number, since it is larger than the sum of its proper divisors (123801154934).

127794740512 is an equidigital number, since it uses as much as digits as its factorization.

127794740512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3993585651 (or 3993585643 counting only the distinct ones).

The product of its (nonzero) digits is 987840, while the sum is 49.

The spelling of 127794740512 in words is "one hundred twenty-seven billion, seven hundred ninety-four million, seven hundred forty thousand, five hundred twelve".