127678128 has 40 divisors (see below), whose sum is σ = 330264576. Its totient is φ = 42504000.

The previous prime is 127678121. The next prime is 127678139. The reversal of 127678128 is 821876721.

It is a self number, because there is not a number n which added to its sum of digits gives 127678128.

It is not an unprimeable number, because it can be changed into a prime (127678121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54093 + ... + 56403.

Almost surely, 2^127678128 is an apocalyptic number.

It is an amenable number.

127678128 is an abundant number, since it is smaller than the sum of its proper divisors (202586448).

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

127678128 is a wasteful number, since it uses less digits than its factorization.

127678128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3473 (or 3467 counting only the distinct ones).

The product of its digits is 75264, while the sum is 42.

The square root of 127678128 is about 11299.4746780547. The cubic root of 127678128 is about 503.5456348483.

The spelling of 127678128 in words is "one hundred twenty-seven million, six hundred seventy-eight thousand, one hundred twenty-eight".