121166654 has 8 divisors (see below), whose sum is σ = 207714288. Its totient is φ = 51928560.

The previous prime is 121166653. The next prime is 121166663. The reversal of 121166654 is 456661121.

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 121166654.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121166653) 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, 4327367 + ... + 4327394.

It is an arithmetic number, because the mean of its divisors is an integer number (25964286).

Almost surely, 2^121166654 is an apocalyptic number.

121166654 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

121166654 is a deficient number, since it is larger than the sum of its proper divisors (86547634).

121166654 is an equidigital number, since it uses as much as digits as its factorization.

121166654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8654770.

The product of its digits is 8640, while the sum is 32.

The square root of 121166654 is about 11007.5725752774. The cubic root of 121166654 is about 494.8357159819.

The spelling of 121166654 in words is "one hundred twenty-one million, one hundred sixty-six thousand, six hundred fifty-four".