121580771 has 8 divisors (see below), whose sum is σ = 131241600. Its totient is φ = 111964032.

The previous prime is 121580761. The next prime is 121580773. The reversal of 121580771 is 177085121.

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 121580771 - 2¹⁰ = 121579747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121580773) 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, 5171 + ... + 16428.

It is an arithmetic number, because the mean of its divisors is an integer number (16405200).

Almost surely, 2^121580771 is an apocalyptic number.

121580771 is a deficient number, since it is larger than the sum of its proper divisors (9660829).

121580771 is a wasteful number, since it uses less digits than its factorization.

121580771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22045.

The product of its (nonzero) digits is 3920, while the sum is 32.

The square root of 121580771 is about 11026.3670807751. The cubic root of 121580771 is about 495.3988160949.

The spelling of 121580771 in words is "one hundred twenty-one million, five hundred eighty thousand, seven hundred seventy-one".