587121 has 16 divisors (see below), whose sum is σ = 835584. Its totient is φ = 365904.

The previous prime is 587117. The next prime is 587123. The reversal of 587121 is 121785.

It is not a de Polignac number, because 587121 - 2² = 587117 is a prime.

It is a super-2 number, since 2×587121² = 689422137282, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 587091 and 587100.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 587121.

It is not an unprimeable number, because it can be changed into a prime (587123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4560 + ... + 4686.

It is an arithmetic number, because the mean of its divisors is an integer number (52224).

2⁵⁸⁷¹²¹ is an apocalyptic number.

It is an amenable number.

587121 is a deficient number, since it is larger than the sum of its proper divisors (248463).

587121 is a wasteful number, since it uses less digits than its factorization.

587121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220.

The product of its digits is 560, while the sum is 24.

The square root of 587121 is about 766.2382136125. The cubic root of 587121 is about 83.7354203476.

The spelling of 587121 in words is "five hundred eighty-seven thousand, one hundred twenty-one".