123166285 has 8 divisors (see below), whose sum is σ = 161235936. Its totient is φ = 89575440.

The previous prime is 123166249. The next prime is 123166297. The reversal of 123166285 is 582661321.

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

It is not a de Polignac number, because 123166285 - 2¹³ = 123158093 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 123166285.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1119639 + ... + 1119748.

It is an arithmetic number, because the mean of its divisors is an integer number (20154492).

Almost surely, 2^123166285 is an apocalyptic number.

It is an amenable number.

123166285 is a deficient number, since it is larger than the sum of its proper divisors (38069651).

123166285 is a wasteful number, since it uses less digits than its factorization.

123166285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2239403.

The product of its digits is 17280, while the sum is 34.

The square root of 123166285 is about 11098.0306811614. The cubic root of 123166285 is about 497.5429926736.

The spelling of 123166285 in words is "one hundred twenty-three million, one hundred sixty-six thousand, two hundred eighty-five".