121541222 has 8 divisors (see below), whose sum is σ = 198885672. Its totient is φ = 55246000.

The previous prime is 121541209. The next prime is 121541249. The reversal of 121541222 is 222145121.

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

It is a junction number, because it is equal to n+sod(n) for n = 121541194 and 121541203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2762279 + ... + 2762322.

It is an arithmetic number, because the mean of its divisors is an integer number (24860709).

Almost surely, 2^121541222 is an apocalyptic number.

121541222 is a deficient number, since it is larger than the sum of its proper divisors (77344450).

121541222 is a wasteful number, since it uses less digits than its factorization.

121541222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5524614.

The product of its digits is 320, while the sum is 20.

The square root of 121541222 is about 11024.5735518432. The cubic root of 121541222 is about 495.3450941880.

Adding to 121541222 its reverse (222145121), we get a palindrome (343686343).

The spelling of 121541222 in words is "one hundred twenty-one million, five hundred forty-one thousand, two hundred twenty-two".