121227207 has 8 divisors (see below), whose sum is σ = 166004976. Its totient is φ = 78633792.

The previous prime is 121227203. The next prime is 121227229. The reversal of 121227207 is 702722121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 121227207 - 2² = 121227203 is a prime.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121227203) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 545958 + ... + 546179.

It is an arithmetic number, because the mean of its divisors is an integer number (20750622).

Almost surely, 2^121227207 is an apocalyptic number.

121227207 is a deficient number, since it is larger than the sum of its proper divisors (44777769).

121227207 is a wasteful number, since it uses less digits than its factorization.

121227207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1092177.

The product of its (nonzero) digits is 784, while the sum is 24.

The square root of 121227207 is about 11010.3227473131. The cubic root of 121227207 is about 494.9181335890.

Adding to 121227207 its reverse (702722121), we get a palindrome (823949328).

The spelling of 121227207 in words is "one hundred twenty-one million, two hundred twenty-seven thousand, two hundred seven".