123102102 has 32 divisors (see below), whose sum is σ = 259718400. Its totient is φ = 38791008.

The previous prime is 123102097. The next prime is 123102103. The reversal of 123102102 is 201201321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123102103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72924 + ... + 74592.

It is an arithmetic number, because the mean of its divisors is an integer number (8116200).

Almost surely, 2^123102102 is an apocalyptic number.

123102102 is an abundant number, since it is smaller than the sum of its proper divisors (136616298).

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

123102102 is a wasteful number, since it uses less digits than its factorization.

123102102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2340.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 123102102 is about 11095.1386651993. The cubic root of 123102102 is about 497.4565530268.

Adding to 123102102 its reverse (201201321), we get a palindrome (324303423).

The spelling of 123102102 in words is "one hundred twenty-three million, one hundred two thousand, one hundred two".