122755 has 4 divisors (see below), whose sum is σ = 147312. Its totient is φ = 98200.

The previous prime is 122753. The next prime is 122761. The reversal of 122755 is 557221.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 122755 - 2¹ = 122753 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122753) by changing a digit.

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, 12271 + ... + 12280.

It is an arithmetic number, because the mean of its divisors is an integer number (36828).

2¹²²⁷⁵⁵ is an apocalyptic number.

122755 is a deficient number, since it is larger than the sum of its proper divisors (24557).

122755 is an equidigital number, since it uses as much as digits as its factorization.

122755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24556.

The product of its digits is 700, while the sum is 22.

The square root of 122755 is about 350.3640963341. The cubic root of 122755 is about 49.6988565606.

Adding to 122755 its reverse (557221), we get a palindrome (679976).

The spelling of 122755 in words is "one hundred twenty-two thousand, seven hundred fifty-five".