127678492 has 12 divisors (see below), whose sum is σ = 224414680. Its totient is φ = 63560016.

The previous prime is 127678489. The next prime is 127678493. The reversal of 127678492 is 294876721.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127678493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68778 + ... + 70609.

Almost surely, 2^127678492 is an apocalyptic number.

It is an amenable number.

127678492 is a deficient number, since it is larger than the sum of its proper divisors (96736188).

127678492 is a wasteful number, since it uses less digits than its factorization.

127678492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139620 (or 139618 counting only the distinct ones).

The product of its digits is 338688, while the sum is 46.

The square root of 127678492 is about 11299.4907849867. The cubic root of 127678492 is about 503.5461133705.

The spelling of 127678492 in words is "one hundred twenty-seven million, six hundred seventy-eight thousand, four hundred ninety-two".