121466587 has 32 divisors (see below), whose sum is σ = 144322560. Its totient is φ = 101136000.

The previous prime is 121466557. The next prime is 121466591. The reversal of 121466587 is 785664121.

It is a cyclic number.

It is not a de Polignac number, because 121466587 - 2¹⁹ = 120942299 is a prime.

Its product of digits (80640) is a multiple of the sum of its prime divisors (315).

It is not an unprimeable number, because it can be changed into a prime (121466557) 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 31 ways as a sum of consecutive naturals, for example, 702033 + ... + 702205.

It is an arithmetic number, because the mean of its divisors is an integer number (4510080).

Almost surely, 2^121466587 is an apocalyptic number.

121466587 is a deficient number, since it is larger than the sum of its proper divisors (22855973).

121466587 is a wasteful number, since it uses less digits than its factorization.

121466587 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315.

The product of its digits is 80640, while the sum is 40.

The square root of 121466587 is about 11021.1880938490. The cubic root of 121466587 is about 495.2436809925.

The spelling of 121466587 in words is "one hundred twenty-one million, four hundred sixty-six thousand, five hundred eighty-seven".