121026166 has 8 divisors (see below), whose sum is σ = 185761224. Its totient is φ = 59105760.

The previous prime is 121026163. The next prime is 121026167. The reversal of 121026166 is 661620121.

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

It is a self number, because there is not a number n which added to its sum of digits gives 121026166.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121026163) 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, 703555 + ... + 703726.

It is an arithmetic number, because the mean of its divisors is an integer number (23220153).

Almost surely, 2^121026166 is an apocalyptic number.

121026166 is a deficient number, since it is larger than the sum of its proper divisors (64735058).

121026166 is a wasteful number, since it uses less digits than its factorization.

121026166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1407326.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 121026166 is about 11001.1892993440. The cubic root of 121026166 is about 494.6443944616.

Adding to 121026166 its reverse (661620121), we get a palindrome (782646287).

The spelling of 121026166 in words is "one hundred twenty-one million, twenty-six thousand, one hundred sixty-six".