121743317 has 8 divisors (see below), whose sum is σ = 128252160. Its totient is φ = 115244640.

The previous prime is 121743287. The next prime is 121743329. The reversal of 121743317 is 713347121.

It is a happy number.

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 121743317 - 2¹⁰ = 121742293 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 121743317.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121743217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45692 + ... + 48282.

It is an arithmetic number, because the mean of its divisors is an integer number (16031520).

Almost surely, 2^121743317 is an apocalyptic number.

It is an amenable number.

121743317 is a deficient number, since it is larger than the sum of its proper divisors (6508843).

121743317 is a wasteful number, since it uses less digits than its factorization.

121743317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5083.

The product of its digits is 3528, while the sum is 29.

The square root of 121743317 is about 11033.7354055642. The cubic root of 121743317 is about 495.6194903464.

The spelling of 121743317 in words is "one hundred twenty-one million, seven hundred forty-three thousand, three hundred seventeen".