122555106 has 32 divisors (see below), whose sum is σ = 275716800. Its totient is φ = 40850244.

The previous prime is 122555099. The next prime is 122555119. The reversal of 122555106 is 601555221.

122555106 is a `hidden beast` number, since 1 + 2 + 2 + 555 + 106 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 122555106.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 9636 + ... + 18383.

It is an arithmetic number, because the mean of its divisors is an integer number (8616150).

Almost surely, 2^122555106 is an apocalyptic number.

122555106 is an abundant number, since it is smaller than the sum of its proper divisors (153161694).

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

122555106 is an frugal number, since it uses more digits than its factorization.

122555106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28042 (or 28024 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

The square root of 122555106 is about 11070.4609660122. The cubic root of 122555106 is about 496.7186539779.

The spelling of 122555106 in words is "one hundred twenty-two million, five hundred fifty-five thousand, one hundred six".