121204166 has 8 divisors (see below), whose sum is σ = 188075520. Its totient is φ = 58512328.

The previous prime is 121204147. The next prime is 121204177. The reversal of 121204166 is 661402121.

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

It is a Curzon number.

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, 1044806 + ... + 1044921.

It is an arithmetic number, because the mean of its divisors is an integer number (23509440).

Almost surely, 2^121204166 is an apocalyptic number.

121204166 is a deficient number, since it is larger than the sum of its proper divisors (66871354).

121204166 is a wasteful number, since it uses less digits than its factorization.

121204166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2089758.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 121204166 is about 11009.2763613237. The cubic root of 121204166 is about 494.8867761307.

Adding to 121204166 its reverse (661402121), we get a palindrome (782606287).

The spelling of 121204166 in words is "one hundred twenty-one million, two hundred four thousand, one hundred sixty-six".