123102222 has 8 divisors (see below), whose sum is σ = 246204456. Its totient is φ = 41034072.

The previous prime is 123102211. The next prime is 123102223. The reversal of 123102222 is 222201321.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

123102222 is an admirable number.

It is a super-2 number, since 2×123102222² = 30308314122674568, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123102223) 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 3 ways as a sum of consecutive naturals, for example, 10258513 + ... + 10258524.

It is an arithmetic number, because the mean of its divisors is an integer number (30775557).

Almost surely, 2^123102222 is an apocalyptic number.

123102222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

123102222 is a wasteful number, since it uses less digits than its factorization.

123102222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20517042.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 123102222 is about 11095.1440729717. The cubic root of 123102222 is about 497.4567146671.

Adding to 123102222 its reverse (222201321), we get a palindrome (345303543).

Subtracting 123102222 from its reverse (222201321), we obtain a palindrome (99099099).

The spelling of 123102222 in words is "one hundred twenty-three million, one hundred two thousand, two hundred twenty-two".