121242226 has 16 divisors (see below), whose sum is σ = 209753280. Its totient is φ = 51483600.

The previous prime is 121242221. The next prime is 121242293. The reversal of 121242226 is 622242121.

It is a junction number, because it is equal to n+sod(n) for n = 121242197 and 121242206.

It is not an unprimeable number, because it can be changed into a prime (121242221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38200 + ... + 41251.

It is an arithmetic number, because the mean of its divisors is an integer number (13109580).

Almost surely, 2^121242226 is an apocalyptic number.

121242226 is a deficient number, since it is larger than the sum of its proper divisors (88511054).

121242226 is a wasteful number, since it uses less digits than its factorization.

121242226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79569.

The product of its digits is 768, while the sum is 22.

The square root of 121242226 is about 11011.0047679583. The cubic root of 121242226 is about 494.9385714337.

Adding to 121242226 its reverse (622242121), we get a palindrome (743484347).

The spelling of 121242226 in words is "one hundred twenty-one million, two hundred forty-two thousand, two hundred twenty-six".