122166424 has 16 divisors (see below), whose sum is σ = 229191120. Its totient is φ = 61048800.

The previous prime is 122166419. The next prime is 122166427. The reversal of 122166424 is 424661221.

It is a zygodrome in base 5.

It is a junction number, because it is equal to n+sod(n) for n = 122166392 and 122166401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122166427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16974 + ... + 23074.

It is an arithmetic number, because the mean of its divisors is an integer number (14324445).

Almost surely, 2^122166424 is an apocalyptic number.

It is an amenable number.

122166424 is a deficient number, since it is larger than the sum of its proper divisors (107024696).

122166424 is a wasteful number, since it uses less digits than its factorization.

122166424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8610 (or 8606 counting only the distinct ones).

The product of its digits is 4608, while the sum is 28.

The square root of 122166424 is about 11052.8921102126. The cubic root of 122166424 is about 496.1929855167.

The spelling of 122166424 in words is "one hundred twenty-two million, one hundred sixty-six thousand, four hundred twenty-four".