127239948980 has 48 divisors (see below), whose sum is σ = 288869105280. Its totient is φ = 46914069888.

The previous prime is 127239948937. The next prime is 127239948989. The reversal of 127239948980 is 89849932721.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127239948989) 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 15 ways as a sum of consecutive naturals, for example, 4510832 + ... + 4538951.

It is an arithmetic number, because the mean of its divisors is an integer number (6018106360).

Almost surely, 2^127239948980 is an apocalyptic number.

127239948980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

127239948980 is an abundant number, since it is smaller than the sum of its proper divisors (161629156300).

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

127239948980 is a wasteful number, since it uses less digits than its factorization.

127239948980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9049848 (or 9049846 counting only the distinct ones).

The product of its (nonzero) digits is 15676416, while the sum is 62.

The spelling of 127239948980 in words is "one hundred twenty-seven billion, two hundred thirty-nine million, nine hundred forty-eight thousand, nine hundred eighty".