122108505 has 16 divisors (see below), whose sum is σ = 198291264. Its totient is φ = 64152000.

The previous prime is 122108479. The next prime is 122108509. The reversal of 122108505 is 505801221.

It is not a de Polignac number, because 122108505 - 2⁸ = 122108249 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (122108509) 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, 59746 + ... + 61755.

It is an arithmetic number, because the mean of its divisors is an integer number (12393204).

Almost surely, 2^122108505 is an apocalyptic number.

122108505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

122108505 is a deficient number, since it is larger than the sum of its proper divisors (76182759).

122108505 is a wasteful number, since it uses less digits than its factorization.

122108505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121576.

The product of its (nonzero) digits is 800, while the sum is 24.

The square root of 122108505 is about 11050.2717161163. The cubic root of 122108505 is about 496.1145582274.

Adding to 122108505 its reverse (505801221), we get a palindrome (627909726).

The spelling of 122108505 in words is "one hundred twenty-two million, one hundred eight thousand, five hundred five".