122888173 has 2 divisors, whose sum is σ = 122888174. Its totient is φ = 122888172.

The previous prime is 122888153. The next prime is 122888177. The reversal of 122888173 is 371888221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 111450249 + 11437924 = 10557^2 + 3382^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122888173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122888177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61444086 + 61444087.

It is an arithmetic number, because the mean of its divisors is an integer number (61444087).

Almost surely, 2^122888173 is an apocalyptic number.

It is an amenable number.

122888173 is a deficient number, since it is larger than the sum of its proper divisors (1).

122888173 is an equidigital number, since it uses as much as digits as its factorization.

122888173 is an evil number, because the sum of its binary digits is even.

The product of its digits is 43008, while the sum is 40.

The square root of 122888173 is about 11085.4938094791. The cubic root of 122888173 is about 497.1682230222.

It can be divided in two parts, 1228 and 88173, that added together give a square (89401 = 299²).

The spelling of 122888173 in words is "one hundred twenty-two million, eight hundred eighty-eight thousand, one hundred seventy-three".