127228892 has 36 divisors (see below), whose sum is σ = 261606744. Its totient is φ = 53978400.

The previous prime is 127228889. The next prime is 127228897. The reversal of 127228892 is 298822721.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127228897) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 16583 + ... + 23009.

It is an arithmetic number, because the mean of its divisors is an integer number (7266854).

Almost surely, 2^127228892 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 127228892, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130803372).

127228892 is an abundant number, since it is smaller than the sum of its proper divisors (134377852).

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

127228892 is a wasteful number, since it uses less digits than its factorization.

127228892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6546 (or 6537 counting only the distinct ones).

The product of its digits is 64512, while the sum is 41.

The square root of 127228892 is about 11279.5785382256. The cubic root of 127228892 is about 502.9543650720.

The spelling of 127228892 in words is "one hundred twenty-seven million, two hundred twenty-eight thousand, eight hundred ninety-two".