122243605 has 8 divisors (see below), whose sum is σ = 160028064. Its totient is φ = 88904400.

The previous prime is 122243579. The next prime is 122243621. The reversal of 122243605 is 506342221.

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

It is not a de Polignac number, because 122243605 - 2⁷ = 122243477 is a prime.

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 122243605.

It is a congruent number.

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, 1111251 + ... + 1111360.

It is an arithmetic number, because the mean of its divisors is an integer number (20003508).

Almost surely, 2^122243605 is an apocalyptic number.

It is an amenable number.

122243605 is a deficient number, since it is larger than the sum of its proper divisors (37784459).

122243605 is a wasteful number, since it uses less digits than its factorization.

122243605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2222627.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 122243605 is about 11056.3829980695. The cubic root of 122243605 is about 496.2974566894.

Adding to 122243605 its reverse (506342221), we get a palindrome (628585826).

The spelling of 122243605 in words is "one hundred twenty-two million, two hundred forty-three thousand, six hundred five".