122685 has 8 divisors (see below), whose sum is σ = 196320. Its totient is φ = 65424.

The previous prime is 122663. The next prime is 122693. The reversal of 122685 is 586221.

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

It is not a de Polignac number, because 122685 - 2⁵ = 122653 is a prime.

It is a super-3 number, since 3×122685³ = 5539820033307375, which contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4075 + ... + 4104.

It is an arithmetic number, because the mean of its divisors is an integer number (24540).

2¹²²⁶⁸⁵ is an apocalyptic number.

122685 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

122685 is a deficient number, since it is larger than the sum of its proper divisors (73635).

122685 is an equidigital number, since it uses as much as digits as its factorization.

122685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8187.

The product of its digits is 960, while the sum is 24.

The square root of 122685 is about 350.2641860082. The cubic root of 122685 is about 49.6894079802.

The spelling of 122685 in words is "one hundred twenty-two thousand, six hundred eighty-five".