121226 has 12 divisors (see below), whose sum is σ = 211698.
Its totient is φ = 51912.
The previous prime is 121189. The next prime is 121229. The reversal of 121226 is 622121.
It can be written as a sum of positive squares in only one way, i.e., 90601 + 30625 = 301^2 + 175^2
It is a Harshad number since it is a multiple of its sum of digits (14).
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 121226.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 121226.
It is not an unprimeable number, because it can be changed into a prime (121229) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 521 + ... + 716.
2121226 is an apocalyptic number.
121226 is a deficient number, since it is larger than the sum of its proper divisors (90472).
121226 is a wasteful number, since it uses less digits than its factorization.
121226 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1253 (or 1246 counting only the distinct ones).
The product of its digits is 48, while the sum is 14.
The square root of 121226 is about 348.1752432325.
The cubic root of 121226 is about 49.4916491031.
Adding to 121226 its reverse (622121), we get a palindrome (743347).
The spelling of 121226 in words is "one hundred twenty-one thousand, two hundred twenty-six".