127356881420 has 48 divisors (see below), whose sum is σ = 289767427488. Its totient is φ = 46831088640.

The previous prime is 127356881413. The next prime is 127356881489. The reversal of 127356881420 is 24188653721.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 4340951 + ... + 4370190.

It is an arithmetic number, because the mean of its divisors is an integer number (6036821406).

Almost surely, 2^127356881420 is an apocalyptic number.

127356881420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

127356881420 is an abundant number, since it is smaller than the sum of its proper divisors (162410546068).

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

127356881420 is a wasteful number, since it uses less digits than its factorization.

127356881420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8711210 (or 8711208 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 47.

The spelling of 127356881420 in words is "one hundred twenty-seven billion, three hundred fifty-six million, eight hundred eighty-one thousand, four hundred twenty".