122405606 has 8 divisors (see below), whose sum is σ = 187878504. Its totient is φ = 59779440.

The previous prime is 122405603. The next prime is 122405611. The reversal of 122405606 is 606504221.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122405603) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 711575 + ... + 711746.

It is an arithmetic number, because the mean of its divisors is an integer number (23484813).

Almost surely, 2^122405606 is an apocalyptic number.

122405606 is a deficient number, since it is larger than the sum of its proper divisors (65472898).

122405606 is a wasteful number, since it uses less digits than its factorization.

122405606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1423366.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 122405606 is about 11063.7067025477. The cubic root of 122405606 is about 496.5165961526.

Adding to 122405606 its reverse (606504221), we get a palindrome (728909827).

The spelling of 122405606 in words is "one hundred twenty-two million, four hundred five thousand, six hundred six".