122921471 has 2 divisors, whose sum is σ = 122921472. Its totient is φ = 122921470.

The previous prime is 122921443. The next prime is 122921473. The reversal of 122921471 is 174129221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 122921471 - 2²⁶ = 55812607 is a prime.

It is a super-3 number, since 3×122921471³ (a number of 25 digits) contains 333 as substring.

Together with 122921473, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122921473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61460735 + 61460736.

It is an arithmetic number, because the mean of its divisors is an integer number (61460736).

Almost surely, 2^122921471 is an apocalyptic number.

122921471 is a deficient number, since it is larger than the sum of its proper divisors (1).

122921471 is an equidigital number, since it uses as much as digits as its factorization.

122921471 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2016, while the sum is 29.

The square root of 122921471 is about 11086.9955804086. The cubic root of 122921471 is about 497.2131234984.

The spelling of 122921471 in words is "one hundred twenty-two million, nine hundred twenty-one thousand, four hundred seventy-one".