987059 has 4 divisors (see below), whose sum is σ = 993504. Its totient is φ = 980616.

The previous prime is 987053. The next prime is 987061. The reversal of 987059 is 950789.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 987059 - 2⁴ = 987043 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 987059.

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 3 ways as a sum of consecutive naturals, for example, 2987 + ... + 3300.

It is an arithmetic number, because the mean of its divisors is an integer number (248376).

2⁹⁸⁷⁰⁵⁹ is an apocalyptic number.

987059 is a deficient number, since it is larger than the sum of its proper divisors (6445).

987059 is a wasteful number, since it uses less digits than its factorization.

987059 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6444.

The product of its (nonzero) digits is 22680, while the sum is 38.

The square root of 987059 is about 993.5084297579. The cubic root of 987059 is about 99.5667590669.

The spelling of 987059 in words is "nine hundred eighty-seven thousand, fifty-nine".