121926166 has 8 divisors (see below), whose sum is σ = 182992320. Its totient is φ = 60928728.

The previous prime is 121926163. The next prime is 121926191. The reversal of 121926166 is 661629121.

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

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121926163) 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, 12486 + ... + 19993.

It is an arithmetic number, because the mean of its divisors is an integer number (22874040).

Almost surely, 2^121926166 is an apocalyptic number.

121926166 is a deficient number, since it is larger than the sum of its proper divisors (61066154).

121926166 is a wasteful number, since it uses less digits than its factorization.

121926166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34358.

The product of its digits is 7776, while the sum is 34.

The square root of 121926166 is about 11042.0182032090. The cubic root of 121926166 is about 495.8674935452.

The spelling of 121926166 in words is "one hundred twenty-one million, nine hundred twenty-six thousand, one hundred sixty-six".