121811068 has 6 divisors (see below), whose sum is σ = 213169376. Its totient is φ = 60905532.

The previous prime is 121811057. The next prime is 121811077. The reversal of 121811068 is 860118121.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 15226380 + ... + 15226387.

Almost surely, 2^121811068 is an apocalyptic number.

It is an amenable number.

121811068 is a deficient number, since it is larger than the sum of its proper divisors (91358308).

121811068 is a wasteful number, since it uses less digits than its factorization.

121811068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30452771 (or 30452769 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 28.

The square root of 121811068 is about 11036.8051536665. The cubic root of 121811068 is about 495.7114118577.

Adding to 121811068 its reverse (860118121), we get a palindrome (981929189).

The spelling of 121811068 in words is "one hundred twenty-one million, eight hundred eleven thousand, sixty-eight".