87124371 has 8 divisors (see below), whose sum is σ = 122999184. Its totient is φ = 54666240.

The previous prime is 87124369. The next prime is 87124393. The reversal of 87124371 is 17342178.

It is a happy number.

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

It is not a de Polignac number, because 87124371 - 2¹ = 87124369 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (87124351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 854110 + ... + 854211.

It is an arithmetic number, because the mean of its divisors is an integer number (15374898).

Almost surely, 2^87124371 is an apocalyptic number.

87124371 is a deficient number, since it is larger than the sum of its proper divisors (35874813).

87124371 is a wasteful number, since it uses less digits than its factorization.

87124371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1708341.

The product of its digits is 9408, while the sum is 33.

The square root of 87124371 is about 9334.0436574938. The cubic root of 87124371 is about 443.3158086929.

The spelling of 87124371 in words is "eighty-seven million, one hundred twenty-four thousand, three hundred seventy-one".