121584601 has 8 divisors (see below), whose sum is σ = 127157184. Its totient is φ = 116035920.

The previous prime is 121584581. The next prime is 121584611. The reversal of 121584601 is 106485121.

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

It is not a de Polignac number, because 121584601 - 2⁷ = 121584473 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 121584601.

It is not an unprimeable number, because it can be changed into a prime (121584611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4870 + ... + 16336.

It is an arithmetic number, because the mean of its divisors is an integer number (15894648).

Almost surely, 2^121584601 is an apocalyptic number.

It is an amenable number.

121584601 is a deficient number, since it is larger than the sum of its proper divisors (5572583).

121584601 is a wasteful number, since it uses less digits than its factorization.

121584601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11951.

The product of its (nonzero) digits is 1920, while the sum is 28.

The square root of 121584601 is about 11026.5407540171. The cubic root of 121584601 is about 495.4040180073.

The spelling of 121584601 in words is "one hundred twenty-one million, five hundred eighty-four thousand, six hundred one".