122116424 has 8 divisors (see below), whose sum is σ = 228968310. Its totient is φ = 61058208.

The previous prime is 122116403. The next prime is 122116427. The reversal of 122116424 is 424611221.

It can be written as a sum of positive squares in only one way, i.e., 122102500 + 13924 = 11050^2 + 118^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 122116424.

It is not an unprimeable number, because it can be changed into a prime (122116427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7632269 + ... + 7632284.

Almost surely, 2^122116424 is an apocalyptic number.

It is an amenable number.

122116424 is a deficient number, since it is larger than the sum of its proper divisors (106851886).

122116424 is a wasteful number, since it uses less digits than its factorization.

122116424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15264559 (or 15264555 counting only the distinct ones).

The product of its digits is 768, while the sum is 23.

The square root of 122116424 is about 11050.6300272880. The cubic root of 122116424 is about 496.1252826954.

Adding to 122116424 its reverse (424611221), we get a palindrome (546727645).

The spelling of 122116424 in words is "one hundred twenty-two million, one hundred sixteen thousand, four hundred twenty-four".