123255102 has 16 divisors (see below), whose sum is σ = 252523152. Its totient is φ = 40082880.

The previous prime is 123255079. The next prime is 123255107. The reversal of 123255102 is 201552321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123255107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 250273 + ... + 250764.

It is an arithmetic number, because the mean of its divisors is an integer number (15782697).

Almost surely, 2^123255102 is an apocalyptic number.

123255102 is an abundant number, since it is smaller than the sum of its proper divisors (129268050).

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

123255102 is a wasteful number, since it uses less digits than its factorization.

123255102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501083.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 123255102 is about 11102.0314357328. The cubic root of 123255102 is about 497.6625591013.

The spelling of 123255102 in words is "one hundred twenty-three million, two hundred fifty-five thousand, one hundred two".