127647140 has 24 divisors (see below), whose sum is σ = 269038392. Its totient is φ = 50872320.

The previous prime is 127647109. The next prime is 127647167. The reversal of 127647140 is 41746721.

It can be written as a sum of positive squares in 4 ways, for example, as 47524 + 127599616 = 218^2 + 11296^2 .

It is a junction number, because it is equal to n+sod(n) for n = 127647097 and 127647106.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5981 + ... + 17060.

It is an arithmetic number, because the mean of its divisors is an integer number (11209933).

Almost surely, 2^127647140 is an apocalyptic number.

127647140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

127647140 is an abundant number, since it is smaller than the sum of its proper divisors (141391252).

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

127647140 is a wasteful number, since it uses less digits than its factorization.

127647140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23327 (or 23325 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 32.

The square root of 127647140 is about 11298.1033806564. The cubic root of 127647140 is about 503.5048940289.

The spelling of 127647140 in words is "one hundred twenty-seven million, six hundred forty-seven thousand, one hundred forty".