987112 has 16 divisors (see below), whose sum is σ = 2115360. Its totient is φ = 423024.

The previous prime is 987101. The next prime is 987127. The reversal of 987112 is 211789.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

987112 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8758 + ... + 8869.

It is an arithmetic number, because the mean of its divisors is an integer number (132210).

2⁹⁸⁷¹¹² is an apocalyptic number.

It is an amenable number.

987112 is an abundant number, since it is smaller than the sum of its proper divisors (1128248).

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

987112 is a wasteful number, since it uses less digits than its factorization.

987112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17640 (or 17636 counting only the distinct ones).

The product of its digits is 1008, while the sum is 28.

The square root of 987112 is about 993.5351025505. The cubic root of 987112 is about 99.5685411096.

The spelling of 987112 in words is "nine hundred eighty-seven thousand, one hundred twelve".