122105255 has 4 divisors (see below), whose sum is σ = 146526312. Its totient is φ = 97684200.

The previous prime is 122105227. The next prime is 122105299. The reversal of 122105255 is 552501221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 552501221 = 179 ⋅3086599.

It is not a de Polignac number, because 122105255 - 2¹⁴ = 122088871 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 122105255.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12210521 + ... + 12210530.

It is an arithmetic number, because the mean of its divisors is an integer number (36631578).

Almost surely, 2^122105255 is an apocalyptic number.

122105255 is a deficient number, since it is larger than the sum of its proper divisors (24421057).

122105255 is an equidigital number, since it uses as much as digits as its factorization.

122105255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24421056.

The product of its (nonzero) digits is 1000, while the sum is 23.

The square root of 122105255 is about 11050.1246599303. The cubic root of 122105255 is about 496.1101567141.

Adding to 122105255 its reverse (552501221), we get a palindrome (674606476).

The spelling of 122105255 in words is "one hundred twenty-two million, one hundred five thousand, two hundred fifty-five".