122017216 has 28 divisors (see below), whose sum is σ = 244363240. Its totient is φ = 60445440.

The previous prime is 122017201. The next prime is 122017229. The reversal of 122017216 is 612710221.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1770 + ... + 15721.

Almost surely, 2^122017216 is an apocalyptic number.

122017216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

122017216 is an abundant number, since it is smaller than the sum of its proper divisors (122346024).

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

122017216 is a wasteful number, since it uses less digits than its factorization.

122017216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17612 (or 17602 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 122017216 is about 11046.1403213973. The cubic root of 122017216 is about 495.9908947340.

Adding to 122017216 its reverse (612710221), we get a palindrome (734727437).

The spelling of 122017216 in words is "one hundred twenty-two million, seventeen thousand, two hundred sixteen".