987071 has 8 divisors (see below), whose sum is σ = 1079424. Its totient is φ = 898560.

The previous prime is 987067. The next prime is 987079. The reversal of 987071 is 170789.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 987071 - 2² = 987067 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (987079) 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, 410 + ... + 1463.

It is an arithmetic number, because the mean of its divisors is an integer number (134928).

2⁹⁸⁷⁰⁷¹ is an apocalyptic number.

987071 is a deficient number, since it is larger than the sum of its proper divisors (92353).

987071 is a wasteful number, since it uses less digits than its factorization.

987071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1921.

The product of its (nonzero) digits is 3528, while the sum is 32.

The square root of 987071 is about 993.5144689435. The cubic root of 987071 is about 99.5671625538.

The spelling of 987071 in words is "nine hundred eighty-seven thousand, seventy-one".