987051 has 8 divisors (see below), whose sum is σ = 1417360. Its totient is φ = 607392.

The previous prime is 987043. The next prime is 987053. The reversal of 987051 is 150789.

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

It is not a de Polignac number, because 987051 - 2³ = 987043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (987053) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 12616 + ... + 12693.

It is an arithmetic number, because the mean of its divisors is an integer number (177170).

2⁹⁸⁷⁰⁵¹ is an apocalyptic number.

987051 is a deficient number, since it is larger than the sum of its proper divisors (430309).

987051 is a wasteful number, since it uses less digits than its factorization.

987051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25325.

The product of its (nonzero) digits is 2520, while the sum is 30.

The square root of 987051 is about 993.5044036138. The cubic root of 987051 is about 99.5664900738.

The spelling of 987051 in words is "nine hundred eighty-seven thousand, fifty-one".