122303406 has 32 divisors (see below), whose sum is σ = 259469568. Its totient is φ = 38299520.

The previous prime is 122303387. The next prime is 122303417. The reversal of 122303406 is 604303221.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104581 + ... + 105743.

It is an arithmetic number, because the mean of its divisors is an integer number (8108424).

Almost surely, 2^122303406 is an apocalyptic number.

122303406 is an abundant number, since it is smaller than the sum of its proper divisors (137166162).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122303406 is a wasteful number, since it uses less digits than its factorization.

122303406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2216.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 122303406 is about 11059.0870328432. The cubic root of 122303406 is about 496.3783722948.

Adding to 122303406 its reverse (604303221), we get a palindrome (726606627).

The spelling of 122303406 in words is "one hundred twenty-two million, three hundred three thousand, four hundred six".