121322866 has 32 divisors (see below), whose sum is σ = 224040960. Its totient is φ = 48108816.

The previous prime is 121322857. The next prime is 121322881. The reversal of 121322866 is 668223121.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6135 + ... + 16741.

It is an arithmetic number, because the mean of its divisors is an integer number (7001280).

Almost surely, 2^121322866 is an apocalyptic number.

121322866 is a deficient number, since it is larger than the sum of its proper divisors (102718094).

121322866 is a wasteful number, since it uses less digits than its factorization.

121322866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10678.

The product of its digits is 6912, while the sum is 31.

The square root of 121322866 is about 11014.6659504499. The cubic root of 121322866 is about 495.0482774394.

Adding to 121322866 its reverse (668223121), we get a palindrome (789545987).

The spelling of 121322866 in words is "one hundred twenty-one million, three hundred twenty-two thousand, eight hundred sixty-six".