122655 has 32 divisors (see below), whose sum is σ = 229824. Its totient is φ = 55296.

The previous prime is 122653. The next prime is 122663. The reversal of 122655 is 556221.

122655 = T₂₆ + T₂₇ + ... + T₉₀.

It is not a de Polignac number, because 122655 - 2¹ = 122653 is a prime.

Its product of digits (600) is a multiple of the sum of its prime divisors (75).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122651) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 3297 + ... + 3333.

It is an arithmetic number, because the mean of its divisors is an integer number (7182).

2¹²²⁶⁵⁵ is an apocalyptic number.

122655 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

122655 is a deficient number, since it is larger than the sum of its proper divisors (107169).

122655 is a wasteful number, since it uses less digits than its factorization.

122655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75.

The product of its digits is 600, while the sum is 21.

The square root of 122655 is about 350.2213585720. The cubic root of 122655 is about 49.6853574884.

Adding to 122655 its reverse (556221), we get a palindrome (678876).

It can be divided in two parts, 122 and 655, that added together give a palindrome (777).

The spelling of 122655 in words is "one hundred twenty-two thousand, six hundred fifty-five".