122066025127 has 4 divisors (see below), whose sum is σ = 122516453536. Its totient is φ = 121615596720.

The previous prime is 122066025073. The next prime is 122066025139. The reversal of 122066025127 is 721520660221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 721520660221 = 32003 ⋅22545407.

It is a cyclic number.

It is not a de Polignac number, because 122066025127 - 2²⁷ = 121931807399 is a prime.

It is a super-2 number, since 2×122066025127² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122066025092 and 122066025101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122066026127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 225213798 + ... + 225214339.

It is an arithmetic number, because the mean of its divisors is an integer number (30629113384).

Almost surely, 2^122066025127 is an apocalyptic number.

122066025127 is a deficient number, since it is larger than the sum of its proper divisors (450428409).

122066025127 is an equidigital number, since it uses as much as digits as its factorization.

122066025127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450428408.

The product of its (nonzero) digits is 20160, while the sum is 34.

Adding to 122066025127 its reverse (721520660221), we get a palindrome (843586685348).

The spelling of 122066025127 in words is "one hundred twenty-two billion, sixty-six million, twenty-five thousand, one hundred twenty-seven".