123132122 has 16 divisors (see below), whose sum is σ = 205856640. Its totient is φ = 54894528.

The previous prime is 123132109. The next prime is 123132137. The reversal of 123132122 is 221231321.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 123132122.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94658 + ... + 95949.

It is an arithmetic number, because the mean of its divisors is an integer number (12866040).

Almost surely, 2^123132122 is an apocalyptic number.

123132122 is a deficient number, since it is larger than the sum of its proper divisors (82724518).

123132122 is a wasteful number, since it uses less digits than its factorization.

123132122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190645.

The product of its digits is 144, while the sum is 17.

The square root of 123132122 is about 11096.4914274738. The cubic root of 123132122 is about 497.4969867582.

Adding to 123132122 its reverse (221231321), we get a palindrome (344363443).

The spelling of 123132122 in words is "one hundred twenty-three million, one hundred thirty-two thousand, one hundred twenty-two".