122173927 has 4 divisors (see below), whose sum is σ = 122212800. Its totient is φ = 122135056.

The previous prime is 122173921. The next prime is 122173969. The reversal of 122173927 is 729371221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 729371221 = 19 ⋅38387959.

It is a cyclic number.

It is not a de Polignac number, because 122173927 - 2¹¹ = 122171879 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122173892 and 122173901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122173921) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14263 + ... + 21160.

It is an arithmetic number, because the mean of its divisors is an integer number (30553200).

Almost surely, 2^122173927 is an apocalyptic number.

122173927 is a deficient number, since it is larger than the sum of its proper divisors (38873).

122173927 is an equidigital number, since it uses as much as digits as its factorization.

122173927 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38872.

The product of its digits is 10584, while the sum is 34.

The square root of 122173927 is about 11053.2315184294. The cubic root of 122173927 is about 496.2031434080.

The spelling of 122173927 in words is "one hundred twenty-two million, one hundred seventy-three thousand, nine hundred twenty-seven".