127228938 has 32 divisors (see below), whose sum is σ = 260231616. Its totient is φ = 41453568.

The previous prime is 127228919. The next prime is 127228943. The reversal of 127228938 is 839822721.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 127228938.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 109770 + ... + 110922.

It is an arithmetic number, because the mean of its divisors is an integer number (8132238).

Almost surely, 2^127228938 is an apocalyptic number.

127228938 is an abundant number, since it is smaller than the sum of its proper divisors (133002678).

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

127228938 is a wasteful number, since it uses less digits than its factorization.

127228938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1558.

The product of its digits is 96768, while the sum is 42.

The square root of 127228938 is about 11279.5805773087. The cubic root of 127228938 is about 502.9544256869.

The spelling of 127228938 in words is "one hundred twenty-seven million, two hundred twenty-eight thousand, nine hundred thirty-eight".