122204121 has 8 divisors (see below), whose sum is σ = 175472640. Its totient is φ = 75202512.

The previous prime is 122204107. The next prime is 122204123. The reversal of 122204121 is 121402221.

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

It is not a de Polignac number, because 122204121 - 2¹⁰ = 122203097 is a prime.

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 122204121.

It is not an unprimeable number, because it can be changed into a prime (122204123) 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, 1566681 + ... + 1566758.

It is an arithmetic number, because the mean of its divisors is an integer number (21934080).

Almost surely, 2^122204121 is an apocalyptic number.

It is an amenable number.

122204121 is a deficient number, since it is larger than the sum of its proper divisors (53268519).

122204121 is a wasteful number, since it uses less digits than its factorization.

122204121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3133455.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 122204121 is about 11054.5972789605. The cubic root of 122204121 is about 496.2440171688.

Adding to 122204121 its reverse (121402221), we get a palindrome (243606342).

The spelling of 122204121 in words is "one hundred twenty-two million, two hundred four thousand, one hundred twenty-one".