87255124 has 24 divisors (see below), whose sum is σ = 170126208. Its totient is φ = 38816640.

The previous prime is 87255109. The next prime is 87255151. The reversal of 87255124 is 42155278.

It is a happy number.

It is a super-2 number, since 2×87255124² = 15226913328510752, which contains 22 as substring.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 87255124.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19029 + ... + 23164.

It is an arithmetic number, because the mean of its divisors is an integer number (7088592).

Almost surely, 2^87255124 is an apocalyptic number.

It is an amenable number.

87255124 is a deficient number, since it is larger than the sum of its proper divisors (82871084).

87255124 is a wasteful number, since it uses less digits than its factorization.

87255124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42255 (or 42253 counting only the distinct ones).

The product of its digits is 22400, while the sum is 34.

The square root of 87255124 is about 9341.0451235394. The cubic root of 87255124 is about 443.5374684430.

The spelling of 87255124 in words is "eighty-seven million, two hundred fifty-five thousand, one hundred twenty-four".