121646705 has 8 divisors (see below), whose sum is σ = 146532672. Its totient is φ = 96946288.

The previous prime is 121646663. The next prime is 121646711. The reversal of 121646705 is 507646121.

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 121646705 - 2²⁶ = 54537841 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44939 + ... + 47568.

It is an arithmetic number, because the mean of its divisors is an integer number (18316584).

Almost surely, 2^121646705 is an apocalyptic number.

It is an amenable number.

121646705 is a deficient number, since it is larger than the sum of its proper divisors (24885967).

121646705 is an equidigital number, since it uses as much as digits as its factorization.

121646705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92775.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 121646705 is about 11029.3565088812. The cubic root of 121646705 is about 495.4883525199.

The spelling of 121646705 in words is "one hundred twenty-one million, six hundred forty-six thousand, seven hundred five".