122855055 has 16 divisors (see below), whose sum is σ = 196851840. Its totient is φ = 65428128.

The previous prime is 122855041. The next prime is 122855081. The reversal of 122855055 is 550558221.

It is a Cunningham number, because it is equal to 11084²-1.

It is not a de Polignac number, because 122855055 - 2¹⁰ = 122854031 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5544 + ... + 16626.

It is an arithmetic number, because the mean of its divisors is an integer number (12303240).

Almost surely, 2^122855055 is an apocalyptic number.

122855055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

122855055 is a deficient number, since it is larger than the sum of its proper divisors (73996785).

122855055 is a wasteful number, since it uses less digits than its factorization.

122855055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11830.

The product of its (nonzero) digits is 20000, while the sum is 33.

The square root of 122855055 is about 11083.9999548899. Note that the first 4 decimals coincide. The cubic root of 122855055 is about 497.1235572198.

The spelling of 122855055 in words is "one hundred twenty-two million, eight hundred fifty-five thousand, fifty-five".