121814717 has 8 divisors (see below), whose sum is σ = 126738432. Its totient is φ = 116953200.

The previous prime is 121814689. The next prime is 121814807. The reversal of 121814717 is 717418121.

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

It is a cyclic number.

It is not a de Polignac number, because 121814717 - 2¹² = 121810621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121814117) 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, 11534 + ... + 19407.

It is an arithmetic number, because the mean of its divisors is an integer number (15842304).

Almost surely, 2^121814717 is an apocalyptic number.

It is an amenable number.

121814717 is a deficient number, since it is larger than the sum of its proper divisors (4923715).

121814717 is a wasteful number, since it uses less digits than its factorization.

121814717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31099.

The product of its digits is 3136, while the sum is 32.

The square root of 121814717 is about 11036.9704629486. The cubic root of 121814717 is about 495.7163616895.

The spelling of 121814717 in words is "one hundred twenty-one million, eight hundred fourteen thousand, seven hundred seventeen".