127226335568 has 20 divisors (see below), whose sum is σ = 246514969428. Its totient is φ = 63609569280.

The previous prime is 127226335567. The next prime is 127226335591. The reversal of 127226335568 is 865533622721.

It can be written as a sum of positive squares in 2 ways, for example, as 44298462784 + 82927872784 = 210472^2 + 287972^2 .

It is a super-2 number, since 2×127226335568² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127226335567) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79238 + ... + 510618.

Almost surely, 2^127226335568 is an apocalyptic number.

It is an amenable number.

127226335568 is a deficient number, since it is larger than the sum of its proper divisors (119288633860).

127226335568 is a wasteful number, since it uses less digits than its factorization.

127226335568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449822 (or 449816 counting only the distinct ones).

The product of its digits is 3628800, while the sum is 50.

The spelling of 127226335568 in words is "one hundred twenty-seven billion, two hundred twenty-six million, three hundred thirty-five thousand, five hundred sixty-eight".