122555316 has 48 divisors (see below), whose sum is σ = 321358464. Its totient is φ = 36068736.

The previous prime is 122555311. The next prime is 122555317. The reversal of 122555316 is 613555221.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122555311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13491 + ... + 20666.

It is an arithmetic number, because the mean of its divisors is an integer number (6694968).

Almost surely, 2^122555316 is an apocalyptic number.

It is an amenable number.

122555316 is an abundant number, since it is smaller than the sum of its proper divisors (198803148).

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

122555316 is a wasteful number, since it uses less digits than its factorization.

122555316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34200 (or 34198 counting only the distinct ones).

The product of its digits is 9000, while the sum is 30.

The square root of 122555316 is about 11070.4704507080. The cubic root of 122555316 is about 496.7189376894.

It can be divided in two parts, 12255 and 5316, that added together give a palindrome (17571).

The spelling of 122555316 in words is "one hundred twenty-two million, five hundred fifty-five thousand, three hundred sixteen".