127220176752 has 20 divisors (see below), whose sum is σ = 328652123400. Its totient is φ = 42406725568.

The previous prime is 127220176717. The next prime is 127220176757. The reversal of 127220176752 is 257671022721.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127220176757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1325210127 + ... + 1325210222.

It is an arithmetic number, because the mean of its divisors is an integer number (16432606170).

Almost surely, 2^127220176752 is an apocalyptic number.

127220176752 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

127220176752 is an abundant number, since it is smaller than the sum of its proper divisors (201431946648).

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

127220176752 is a wasteful number, since it uses less digits than its factorization.

127220176752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2650420360 (or 2650420354 counting only the distinct ones).

The product of its (nonzero) digits is 164640, while the sum is 42.

The spelling of 127220176752 in words is "one hundred twenty-seven billion, two hundred twenty million, one hundred seventy-six thousand, seven hundred fifty-two".