87124250 has 32 divisors (see below), whose sum is σ = 163650240. Its totient is φ = 34731600.

The previous prime is 87124249. The next prime is 87124267. The reversal of 87124250 is 5242178.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 140441 + ... + 141059.

It is an arithmetic number, because the mean of its divisors is an integer number (5114070).

Almost surely, 2^87124250 is an apocalyptic number.

87124250 is a deficient number, since it is larger than the sum of its proper divisors (76525990).

87124250 is a wasteful number, since it uses less digits than its factorization.

87124250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1199 (or 1189 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 29.

The square root of 87124250 is about 9334.0371758420. The cubic root of 87124250 is about 443.3156034643.

It can be divided in two parts, 871 and 24250, that multiplied together give a triangular number (21121750 = T₆₄₉₉).

The spelling of 87124250 in words is "eighty-seven million, one hundred twenty-four thousand, two hundred fifty".