87124152 has 32 divisors (see below), whose sum is σ = 219156480. Its totient is φ = 28861920.

The previous prime is 87124117. The next prime is 87124157. The reversal of 87124152 is 25142178.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87124157) 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, 7224 + ... + 15047.

It is an arithmetic number, because the mean of its divisors is an integer number (6848640).

Almost surely, 2^87124152 is an apocalyptic number.

It is an amenable number.

87124152 is an abundant number, since it is smaller than the sum of its proper divisors (132032328).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

87124152 is a wasteful number, since it uses less digits than its factorization.

87124152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22443 (or 22439 counting only the distinct ones).

The product of its digits is 4480, while the sum is 30.

The square root of 87124152 is about 9334.0319262364. The cubic root of 87124152 is about 443.3154372460.

The spelling of 87124152 in words is "eighty-seven million, one hundred twenty-four thousand, one hundred fifty-two".