87124 has 12 divisors (see below), whose sum is σ = 159264. Its totient is φ = 41624.

The previous prime is 87121. The next prime is 87133. The reversal of 87124 is 42178.

It is a junction number, because it is equal to n+sod(n) for n = 87095 and 87104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 382 + ... + 565.

It is an arithmetic number, because the mean of its divisors is an integer number (13272).

2⁸⁷¹²⁴ is an apocalyptic number.

It is an amenable number.

87124 is a deficient number, since it is larger than the sum of its proper divisors (72140).

87124 is a wasteful number, since it uses less digits than its factorization.

87124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 974 (or 972 counting only the distinct ones).

The product of its digits is 448, while the sum is 22.

The square root of 87124 is about 295.1677489158. The cubic root of 87124 is about 44.3315179438.

The spelling of 87124 in words is "eighty-seven thousand, one hundred twenty-four".