122420318 has 8 divisors (see below), whose sum is σ = 183768912. Its totient is φ = 61164016.

The previous prime is 122420317. The next prime is 122420321. The reversal of 122420318 is 813024221.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×122420318² = 29973468518442248, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 122420293 and 122420302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122420317) 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, 19655 + ... + 25122.

It is an arithmetic number, because the mean of its divisors is an integer number (22971114).

Almost surely, 2^122420318 is an apocalyptic number.

122420318 is a deficient number, since it is larger than the sum of its proper divisors (61348594).

122420318 is a wasteful number, since it uses less digits than its factorization.

122420318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46146.

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

The square root of 122420318 is about 11064.3715591985. The cubic root of 122420318 is about 496.5364875605.

Adding to 122420318 its reverse (813024221), we get a palindrome (935444539).

It can be divided in two parts, 1224203 and 18, that added together give a palindrome (1224221).

The spelling of 122420318 in words is "one hundred twenty-two million, four hundred twenty thousand, three hundred eighteen".