121130656717 has 8 divisors (see below), whose sum is σ = 141047018496. Its totient is φ = 101867290512.

The previous prime is 121130656613. The next prime is 121130656723. The reversal of 121130656717 is 717656031121.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121130656717 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 121130656717.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121130656747) 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, 163248493 + ... + 163249234.

It is an arithmetic number, because the mean of its divisors is an integer number (17630877312).

Almost surely, 2^121130656717 is an apocalyptic number.

It is an amenable number.

121130656717 is a deficient number, since it is larger than the sum of its proper divisors (19916361779).

121130656717 is an equidigital number, since it uses as much as digits as its factorization.

121130656717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326497787.

The product of its (nonzero) digits is 52920, while the sum is 40.

Adding to 121130656717 its reverse (717656031121), we get a palindrome (838786687838).

The spelling of 121130656717 in words is "one hundred twenty-one billion, one hundred thirty million, six hundred fifty-six thousand, seven hundred seventeen".