122013173 has 2 divisors, whose sum is σ = 122013174. Its totient is φ = 122013172.

The previous prime is 122013167. The next prime is 122013211. The reversal of 122013173 is 371310221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 87179569 + 34833604 = 9337^2 + 5902^2 .

It is an emirp because it is prime and its reverse (371310221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 122013173 - 2⁶ = 122013109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122013113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61006586 + 61006587.

It is an arithmetic number, because the mean of its divisors is an integer number (61006587).

Almost surely, 2^122013173 is an apocalyptic number.

It is an amenable number.

122013173 is a deficient number, since it is larger than the sum of its proper divisors (1).

122013173 is an equidigital number, since it uses as much as digits as its factorization.

122013173 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 122013173 is about 11045.9573147826. The cubic root of 122013173 is about 495.9854165089.

Adding to 122013173 its reverse (371310221), we get a palindrome (493323394).

The spelling of 122013173 in words is "one hundred twenty-two million, thirteen thousand, one hundred seventy-three".