122646 has 8 divisors (see below), whose sum is σ = 245304. Its totient is φ = 40880.

The previous prime is 122611. The next prime is 122651. The reversal of 122646 is 646221.

It is a happy number.

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

122646 is an admirable number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 122646.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10215 + ... + 10226.

It is an arithmetic number, because the mean of its divisors is an integer number (30663).

2¹²²⁶⁴⁶ is an apocalyptic number.

122646 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122646 is a wasteful number, since it uses less digits than its factorization.

122646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20446.

The product of its digits is 576, while the sum is 21.

The square root of 122646 is about 350.2085093198. The cubic root of 122646 is about 49.6841422121.

Adding to 122646 its reverse (646221), we get a palindrome (768867).

The spelling of 122646 in words is "one hundred twenty-two thousand, six hundred forty-six".