122018 has 18 divisors (see below), whose sum is σ = 209169. Its totient is φ = 53352.
The previous prime is 122011. The next prime is 122021. The reversal of 122018 is 810221.
It can be written as a sum of positive squares in 2 ways, for example, as 104329 + 17689 = 323^2 + 133^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=247.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 121993 and 122011.
It is not an unprimeable number, because it can be changed into a prime (122011) by changing a digit.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 6413 + ... + 6431.
2122018 is an apocalyptic number.
122018 is a deficient number, since it is larger than the sum of its proper divisors (87151).
122018 is a wasteful number, since it uses less digits than its factorization.
122018 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 66 (or 34 counting only the distinct ones).
The product of its (nonzero) digits is 32, while the sum is 14.
The square root of 122018 is about 349.3107499062. The cubic root of 122018 is about 49.5991957032.
Multiplying 122018 by its product of nonzero digits (32), we get a square (3904576 = 19762).
Adding to 122018 its reverse (810221), we get a palindrome (932239).
The spelling of 122018 in words is "one hundred twenty-two thousand, eighteen".
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