122188271 has 2 divisors, whose sum is σ = 122188272. Its totient is φ = 122188270.

The previous prime is 122188249. The next prime is 122188279. The reversal of 122188271 is 172881221.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 122188271 - 2⁶ = 122188207 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122188279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61094135 + 61094136.

It is an arithmetic number, because the mean of its divisors is an integer number (61094136).

Almost surely, 2^122188271 is an apocalyptic number.

122188271 is a deficient number, since it is larger than the sum of its proper divisors (1).

122188271 is an equidigital number, since it uses as much as digits as its factorization.

122188271 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3584, while the sum is 32.

The square root of 122188271 is about 11053.8803594032. The cubic root of 122188271 is about 496.2225617883. Note that the first 3 decimals are identical.

The spelling of 122188271 in words is "one hundred twenty-two million, one hundred eighty-eight thousand, two hundred seventy-one".