121241222 has 16 divisors (see below), whose sum is σ = 183645792. Its totient is φ = 60028800.

The previous prime is 121241213. The next prime is 121241227. The reversal of 121241222 is 222142121.

It is a self number, because there is not a number n which added to its sum of digits gives 121241222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121241227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 178748 + ... + 179424.

It is an arithmetic number, because the mean of its divisors is an integer number (11477862).

Almost surely, 2^121241222 is an apocalyptic number.

121241222 is a deficient number, since it is larger than the sum of its proper divisors (62404570).

121241222 is a wasteful number, since it uses less digits than its factorization.

121241222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1423.

The product of its digits is 128, while the sum is 17.

The square root of 121241222 is about 11010.9591771108. The cubic root of 121241222 is about 494.9372052439.

Adding to 121241222 its reverse (222142121), we get a palindrome (343383343).

The spelling of 121241222 in words is "one hundred twenty-one million, two hundred forty-one thousand, two hundred twenty-two".