127228184852 has 24 divisors (see below), whose sum is σ = 230382086760. Its totient is φ = 61405783040.

The previous prime is 127228184833. The next prime is 127228184857. The reversal of 127228184852 is 258481822721.

It can be written as a sum of positive squares in 4 ways, for example, as 61545671056 + 65682513796 = 248084^2 + 256286^2 .

It is a super-2 number, since 2×127228184852² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 127228184852.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127228184857) 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 7 ways as a sum of consecutive naturals, for example, 362648 + ... + 621264.

It is an arithmetic number, because the mean of its divisors is an integer number (9599253615).

Almost surely, 2^127228184852 is an apocalyptic number.

It is an amenable number.

127228184852 is a deficient number, since it is larger than the sum of its proper divisors (103153901908).

127228184852 is a wasteful number, since it uses less digits than its factorization.

127228184852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262891 (or 262889 counting only the distinct ones).

The product of its digits is 1146880, while the sum is 50.

The spelling of 127228184852 in words is "one hundred twenty-seven billion, two hundred twenty-eight million, one hundred eighty-four thousand, eight hundred fifty-two".