87324121 has 8 divisors (see below), whose sum is σ = 93360384. Its totient is φ = 81387840.

The previous prime is 87324119. The next prime is 87324131. The reversal of 87324121 is 12142378.

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

It is not a de Polignac number, because 87324121 - 2¹ = 87324119 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 87324121.

It is not an unprimeable number, because it can be changed into a prime (87324101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23185 + ... + 26686.

It is an arithmetic number, because the mean of its divisors is an integer number (11670048).

Almost surely, 2^87324121 is an apocalyptic number.

It is an amenable number.

87324121 is a deficient number, since it is larger than the sum of its proper divisors (6036263).

87324121 is a wasteful number, since it uses less digits than its factorization.

87324121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49991.

The product of its digits is 2688, while the sum is 28.

The square root of 87324121 is about 9344.7376100135. The cubic root of 87324121 is about 443.6543467438.

Adding to 87324121 its reverse (12142378), we get a palindrome (99466499).

The spelling of 87324121 in words is "eighty-seven million, three hundred twenty-four thousand, one hundred twenty-one".