127988641 has 16 divisors (see below), whose sum is σ = 142848000. Its totient is φ = 113691600.

The previous prime is 127988639. The next prime is 127988669. The reversal of 127988641 is 146889721.

It is not a de Polignac number, because 127988641 - 2¹ = 127988639 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 127988591 and 127988600.

It is not an unprimeable number, because it can be changed into a prime (127988621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 128656 + ... + 129646.

It is an arithmetic number, because the mean of its divisors is an integer number (8928000).

Almost surely, 2^127988641 is an apocalyptic number.

127988641 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

127988641 is a deficient number, since it is larger than the sum of its proper divisors (14859359).

127988641 is a wasteful number, since it uses less digits than its factorization.

127988641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1260.

The product of its digits is 193536, while the sum is 46.

The square root of 127988641 is about 11313.2064862266. The cubic root of 127988641 is about 503.9535117636.

The spelling of 127988641 in words is "one hundred twenty-seven million, nine hundred eighty-eight thousand, six hundred forty-one".