122116656 has 40 divisors (see below), whose sum is σ = 316112704. Its totient is φ = 40622400.

The previous prime is 122116649. The next prime is 122116691. The reversal of 122116656 is 656611221.

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 7 ways as a sum of consecutive naturals, for example, 23931 + ... + 28581.

Almost surely, 2^122116656 is an apocalyptic number.

122116656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

122116656 is an abundant number, since it is smaller than the sum of its proper divisors (193996048).

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

122116656 is a wasteful number, since it uses less digits than its factorization.

122116656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5209 (or 5203 counting only the distinct ones).

The product of its digits is 4320, while the sum is 30.

The square root of 122116656 is about 11050.6405244221. The cubic root of 122116656 is about 496.1255968791.

Adding to 122116656 its reverse (656611221), we get a palindrome (778727877).

The spelling of 122116656 in words is "one hundred twenty-two million, one hundred sixteen thousand, six hundred fifty-six".