122811668 has 24 divisors (see below), whose sum is σ = 258552000. Its totient is φ = 49863168.

The previous prime is 122811641. The next prime is 122811701. The reversal of 122811668 is 866118221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114893 + ... + 115956.

It is an arithmetic number, because the mean of its divisors is an integer number (10773000).

Almost surely, 2^122811668 is an apocalyptic number.

It is an amenable number.

122811668 is an abundant number, since it is smaller than the sum of its proper divisors (135740332).

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

122811668 is a wasteful number, since it uses less digits than its factorization.

122811668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230879 (or 230877 counting only the distinct ones).

The product of its digits is 9216, while the sum is 35.

The square root of 122811668 is about 11082.0425915081. The cubic root of 122811668 is about 497.0650296069.

Adding to 122811668 its reverse (866118221), we get a palindrome (988929889).

The spelling of 122811668 in words is "one hundred twenty-two million, eight hundred eleven thousand, six hundred sixty-eight".