122115668 has 6 divisors (see below), whose sum is σ = 213702426. Its totient is φ = 61057832.

The previous prime is 122115629. The next prime is 122115689. The reversal of 122115668 is 866511221.

It can be written as a sum of positive squares in only one way, i.e., 91623184 + 30492484 = 9572^2 + 5522^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15264455 + ... + 15264462.

It is an arithmetic number, because the mean of its divisors is an integer number (35617071).

Almost surely, 2^122115668 is an apocalyptic number.

It is an amenable number.

122115668 is a deficient number, since it is larger than the sum of its proper divisors (91586758).

122115668 is a wasteful number, since it uses less digits than its factorization.

122115668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30528921 (or 30528919 counting only the distinct ones).

The product of its digits is 5760, while the sum is 32.

The square root of 122115668 is about 11050.5958210406. The cubic root of 122115668 is about 496.1242588869.

Adding to 122115668 its reverse (866511221), we get a palindrome (988626889).

The spelling of 122115668 in words is "one hundred twenty-two million, one hundred fifteen thousand, six hundred sixty-eight".