87146120 has 16 divisors (see below), whose sum is σ = 196078860. Its totient is φ = 34858432.

The previous prime is 87146119. The next prime is 87146161. The reversal of 87146120 is 2164178.

It can be written as a sum of positive squares in 2 ways, for example, as 84235684 + 2910436 = 9178^2 + 1706^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1089287 + ... + 1089366.

Almost surely, 2^87146120 is an apocalyptic number.

It is an amenable number.

87146120 is an abundant number, since it is smaller than the sum of its proper divisors (108932740).

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

87146120 is a wasteful number, since it uses less digits than its factorization.

87146120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2178664 (or 2178660 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 87146120 is about 9335.2086211289. The cubic root of 87146120 is about 443.3526941752.

The spelling of 87146120 in words is "eighty-seven million, one hundred forty-six thousand, one hundred twenty".