121269166 has 8 divisors (see below), whose sum is σ = 182078064. Its totient is φ = 60576480.

The previous prime is 121269139. The next prime is 121269167. The reversal of 121269166 is 661962121.

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 (121269167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26395 + ... + 30646.

It is an arithmetic number, because the mean of its divisors is an integer number (22759758).

Almost surely, 2^121269166 is an apocalyptic number.

121269166 is a deficient number, since it is larger than the sum of its proper divisors (60808898).

121269166 is a wasteful number, since it uses less digits than its factorization.

121269166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58106.

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

The square root of 121269166 is about 11012.2280216131. The cubic root of 121269166 is about 494.9752271383.

The spelling of 121269166 in words is "one hundred twenty-one million, two hundred sixty-nine thousand, one hundred sixty-six".