122023189 has 2 divisors, whose sum is σ = 122023190. Its totient is φ = 122023188.

The previous prime is 122023159. The next prime is 122023193. The reversal of 122023189 is 981320221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 112720689 + 9302500 = 10617^2 + 3050^2 .

It is a cyclic number.

It is not a de Polignac number, because 122023189 - 2¹⁷ = 121892117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122023129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61011594 + 61011595.

It is an arithmetic number, because the mean of its divisors is an integer number (61011595).

Almost surely, 2^122023189 is an apocalyptic number.

It is an amenable number.

122023189 is a deficient number, since it is larger than the sum of its proper divisors (1).

122023189 is an equidigital number, since it uses as much as digits as its factorization.

122023189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 122023189 is about 11046.4106840186. The cubic root of 122023189 is about 495.9989878686.

The spelling of 122023189 in words is "one hundred twenty-two million, twenty-three thousand, one hundred eighty-nine".