121194166 has 8 divisors (see below), whose sum is σ = 186704640. Its totient is φ = 58959288.

The previous prime is 121194163. The next prime is 121194187. The reversal of 121194166 is 661491121.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121194163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 818806 + ... + 818953.

It is an arithmetic number, because the mean of its divisors is an integer number (23338080).

Almost surely, 2^121194166 is an apocalyptic number.

121194166 is a deficient number, since it is larger than the sum of its proper divisors (65510474).

121194166 is a wasteful number, since it uses less digits than its factorization.

121194166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1637798.

The product of its digits is 2592, while the sum is 31.

The square root of 121194166 is about 11008.8221894987. The cubic root of 121194166 is about 494.8731654768.

The spelling of 121194166 in words is "one hundred twenty-one million, one hundred ninety-four thousand, one hundred sixty-six".