127125638744 has 32 divisors (see below), whose sum is σ = 256712993040. Its totient is φ = 58669488000.

The previous prime is 127125638741. The next prime is 127125638777. The reversal of 127125638744 is 447836521721.

It is a junction number, because it is equal to n+sod(n) for n = 127125638692 and 127125638701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127125638741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2060099 + ... + 2120909.

Almost surely, 2^127125638744 is an apocalyptic number.

It is an amenable number.

127125638744 is an abundant number, since it is smaller than the sum of its proper divisors (129587354296).

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

127125638744 is a wasteful number, since it uses less digits than its factorization.

127125638744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80931 (or 80927 counting only the distinct ones).

The product of its digits is 2257920, while the sum is 50.

The spelling of 127125638744 in words is "one hundred twenty-seven billion, one hundred twenty-five million, six hundred thirty-eight thousand, seven hundred forty-four".