122421774 has 16 divisors (see below), whose sum is σ = 250538112. Its totient is φ = 39858168.

The previous prime is 122421757. The next prime is 122421787. The reversal of 122421774 is 477124221.

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, 236994 + ... + 237509.

It is an arithmetic number, because the mean of its divisors is an integer number (15658632).

Almost surely, 2^122421774 is an apocalyptic number.

122421774 is an abundant number, since it is smaller than the sum of its proper divisors (128116338).

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

122421774 is a wasteful number, since it uses less digits than its factorization.

122421774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474551.

The product of its digits is 6272, while the sum is 30.

The square root of 122421774 is about 11064.4373557809. The cubic root of 122421774 is about 496.5384560634.

Adding to 122421774 its reverse (477124221), we get a palindrome (599545995).

The spelling of 122421774 in words is "one hundred twenty-two million, four hundred twenty-one thousand, seven hundred seventy-four".