122712268 has 72 divisors (see below), whose sum is σ = 263837952. Its totient is φ = 49696416.

The previous prime is 122712251. The next prime is 122712277. The reversal of 122712268 is 862217221.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 734721 + ... + 734887.

It is an arithmetic number, because the mean of its divisors is an integer number (3664416).

Almost surely, 2^122712268 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122712268, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131918976).

122712268 is an abundant number, since it is smaller than the sum of its proper divisors (141125684).

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

122712268 is a wasteful number, since it uses less digits than its factorization.

122712268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371 (or 362 counting only the distinct ones).

The product of its digits is 5376, while the sum is 31.

The square root of 122712268 is about 11077.5569508805. The cubic root of 122712268 is about 496.9308903442.

Adding to 122712268 its reverse (862217221), we get a palindrome (984929489).

The spelling of 122712268 in words is "one hundred twenty-two million, seven hundred twelve thousand, two hundred sixty-eight".