123622126 has 16 divisors (see below), whose sum is σ = 189722880. Its totient is φ = 60386040.

The previous prime is 123622091. The next prime is 123622127. The reversal of 123622126 is 621226321.

It is a self number, because there is not a number n which added to its sum of digits gives 123622126.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123622127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79981 + ... + 81511.

It is an arithmetic number, because the mean of its divisors is an integer number (11857680).

Almost surely, 2^123622126 is an apocalyptic number.

123622126 is a deficient number, since it is larger than the sum of its proper divisors (66100754).

123622126 is a wasteful number, since it uses less digits than its factorization.

123622126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2439.

The product of its digits is 1728, while the sum is 25.

The square root of 123622126 is about 11118.5487362335. The cubic root of 123622126 is about 498.1560426691.

Adding to 123622126 its reverse (621226321), we get a palindrome (744848447).

The spelling of 123622126 in words is "one hundred twenty-three million, six hundred twenty-two thousand, one hundred twenty-six".