123255106 has 16 divisors (see below), whose sum is σ = 199317888. Its totient is φ = 56826000.

The previous prime is 123255079. The next prime is 123255107. The reversal of 123255106 is 601552321.

It is not an unprimeable number, because it can be changed into a prime (123255107) 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 7 ways as a sum of consecutive naturals, for example, 30081 + ... + 33931.

It is an arithmetic number, because the mean of its divisors is an integer number (12457368).

Almost surely, 2^123255106 is an apocalyptic number.

123255106 is a deficient number, since it is larger than the sum of its proper divisors (76062782).

123255106 is a wasteful number, since it uses less digits than its factorization.

123255106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5097.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 123255106 is about 11102.0316158800. The cubic root of 123255106 is about 497.6625644849.

The spelling of 123255106 in words is "one hundred twenty-three million, two hundred fifty-five thousand, one hundred six".