121222167 has 32 divisors (see below), whose sum is σ = 187176960. Its totient is φ = 69057120.

The previous prime is 121222163. The next prime is 121222187. The reversal of 121222167 is 761222121.

It is not a de Polignac number, because 121222167 - 2² = 121222163 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121222163) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 43428 + ... + 46134.

It is an arithmetic number, because the mean of its divisors is an integer number (5849280).

Almost surely, 2^121222167 is an apocalyptic number.

121222167 is a deficient number, since it is larger than the sum of its proper divisors (65954793).

121222167 is a wasteful number, since it uses less digits than its factorization.

121222167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2803.

The product of its digits is 672, while the sum is 24.

The square root of 121222167 is about 11010.0938688097. The cubic root of 121222167 is about 494.9112747822.

Adding to 121222167 its reverse (761222121), we get a palindrome (882444288).

The spelling of 121222167 in words is "one hundred twenty-one million, two hundred twenty-two thousand, one hundred sixty-seven".