122004216 has 24 divisors (see below), whose sum is σ = 330428280. Its totient is φ = 40668048.

The previous prime is 122004191. The next prime is 122004227. The reversal of 122004216 is 612400221.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 847180 + ... + 847323.

It is an arithmetic number, because the mean of its divisors is an integer number (13767845).

Almost surely, 2^122004216 is an apocalyptic number.

It is an amenable number.

122004216 is an abundant number, since it is smaller than the sum of its proper divisors (208424064).

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

122004216 is a wasteful number, since it uses less digits than its factorization.

122004216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1694515 (or 1694508 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 122004216 is about 11045.5518648911. The cubic root of 122004216 is about 495.9732794312.

Adding to 122004216 its reverse (612400221), we get a palindrome (734404437).

The spelling of 122004216 in words is "one hundred twenty-two million, four thousand, two hundred sixteen".