122567946271 has 4 divisors (see below), whose sum is σ = 122575595632. Its totient is φ = 122560296912.

The previous prime is 122567946251. The next prime is 122567946301. The reversal of 122567946271 is 172649765221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 172649765221 = 73 ⋅2365065277.

It is a cyclic number.

It is not a de Polignac number, because 122567946271 - 2¹⁷ = 122567815199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122567946211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3800595 + ... + 3832708.

It is an arithmetic number, because the mean of its divisors is an integer number (30643898908).

Almost surely, 2^122567946271 is an apocalyptic number.

122567946271 is a deficient number, since it is larger than the sum of its proper divisors (7649361).

122567946271 is an equidigital number, since it uses as much as digits as its factorization.

122567946271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7649360.

The product of its digits is 2540160, while the sum is 52.

The spelling of 122567946271 in words is "one hundred twenty-two billion, five hundred sixty-seven million, nine hundred forty-six thousand, two hundred seventy-one".