122310505 has 8 divisors (see below), whose sum is σ = 154497600. Its totient is φ = 92698416.

The previous prime is 122310499. The next prime is 122310509. The reversal of 122310505 is 505013221.

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

It is not a de Polignac number, because 122310505 - 2¹⁵ = 122277737 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is not an unprimeable number, because it can be changed into a prime (122310509) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 643645 + ... + 643834.

It is an arithmetic number, because the mean of its divisors is an integer number (19312200).

Almost surely, 2^122310505 is an apocalyptic number.

It is an amenable number.

122310505 is a deficient number, since it is larger than the sum of its proper divisors (32187095).

122310505 is a wasteful number, since it uses less digits than its factorization.

122310505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1287503.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 122310505 is about 11059.4079859638. The cubic root of 122310505 is about 496.3879760663.

Adding to 122310505 its reverse (505013221), we get a palindrome (627323726).

The spelling of 122310505 in words is "one hundred twenty-two million, three hundred ten thousand, five hundred five".