127234022775381 has 8 divisors (see below), whose sum is σ = 188494848556160. Its totient is φ = 84822681850236.

The previous prime is 127234022775373. The next prime is 127234022775593. The reversal of 127234022775381 is 183577220432721.

127234022775381 is a `hidden beast` number, since 1 + 2 + 7 + 2 + 34 + 0 + 2 + 2 + 77 + 538 + 1 = 666.

It is not a de Polignac number, because 127234022775381 - 2³ = 127234022775373 is a prime.

It is a super-2 number, since 2×127234022775381² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127234022755381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2356185606925 + ... + 2356185606978.

It is an arithmetic number, because the mean of its divisors is an integer number (23561856069520).

Almost surely, 2^{127234022775381} is an apocalyptic number.

It is an amenable number.

127234022775381 is a deficient number, since it is larger than the sum of its proper divisors (61260825780779).

127234022775381 is an equidigital number, since it uses as much as digits as its factorization.

127234022775381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4712371213912 (or 4712371213906 counting only the distinct ones).

The product of its (nonzero) digits is 7902720, while the sum is 54.

The spelling of 127234022775381 in words is "one hundred twenty-seven trillion, two hundred thirty-four billion, twenty-two million, seven hundred seventy-five thousand, three hundred eighty-one".