122206123 has 16 divisors (see below), whose sum is σ = 137797632. Its totient is φ = 107604000.

The previous prime is 122206109. The next prime is 122206151. The reversal of 122206123 is 321602221.

It is a cyclic number.

It is not a de Polignac number, because 122206123 - 2²⁵ = 88651691 is a prime.

It is a super-2 number, since 2×122206123² = 29868672997382258, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 122206123.

It is not an unprimeable number, because it can be changed into a prime (122206163) 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, 26478 + ... + 30748.

It is an arithmetic number, because the mean of its divisors is an integer number (8612352).

Almost surely, 2^122206123 is an apocalyptic number.

122206123 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

122206123 is a deficient number, since it is larger than the sum of its proper divisors (15591509).

122206123 is a wasteful number, since it uses less digits than its factorization.

122206123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4386.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 122206123 is about 11054.6878291519. The cubic root of 122206123 is about 496.2467270477.

Adding to 122206123 its reverse (321602221), we get a palindrome (443808344).

The spelling of 122206123 in words is "one hundred twenty-two million, two hundred six thousand, one hundred twenty-three".