487584121 has 4 divisors (see below), whose sum is σ = 487654272. Its totient is φ = 487513972.

The previous prime is 487584109. The next prime is 487584131. The reversal of 487584121 is 121485784.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 487584121 - 2⁹ = 487583609 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (487584101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23341 + ... + 38986.

It is an arithmetic number, because the mean of its divisors is an integer number (121913568).

Almost surely, 2^487584121 is an apocalyptic number.

It is an amenable number.

487584121 is a deficient number, since it is larger than the sum of its proper divisors (70151).

487584121 is an equidigital number, since it uses as much as digits as its factorization.

487584121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70150.

The product of its digits is 71680, while the sum is 40.

The square root of 487584121 is about 22081.3070491762. The cubic root of 487584121 is about 787.0757246278.

The spelling of 487584121 in words is "four hundred eighty-seven million, five hundred eighty-four thousand, one hundred twenty-one".