127670656 has 16 divisors (see below), whose sum is σ = 254344140. Its totient is φ = 63835264.

The previous prime is 127670623. The next prime is 127670657. The reversal of 127670656 is 656076721.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (16).

It is a hoax number, since the sum of its digits (40) 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 (127670657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 498586 + ... + 498841.

Almost surely, 2^127670656 is an apocalyptic number.

127670656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

127670656 is a deficient number, since it is larger than the sum of its proper divisors (126673484).

127670656 is an frugal number, since it uses more digits than its factorization.

127670656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 997441 (or 997429 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 40.

The square root of 127670656 is about 11299.1440383774. The cubic root of 127670656 is about 503.5358117971.

The spelling of 127670656 in words is "one hundred twenty-seven million, six hundred seventy thousand, six hundred fifty-six".