987135 has 8 divisors (see below), whose sum is σ = 1579440. Its totient is φ = 526464.

The previous prime is 987127. The next prime is 987143. The reversal of 987135 is 531789.

It is an interprime number because it is at equal distance from previous prime (987127) and next prime (987143).

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

It is not a de Polignac number, because 987135 - 2³ = 987127 is a prime.

It is a zygodrome in base 2 and base 4.

It is a junction number, because it is equal to n+sod(n) for n = 987096 and 987105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32890 + ... + 32919.

It is an arithmetic number, because the mean of its divisors is an integer number (197430).

2⁹⁸⁷¹³⁵ is an apocalyptic number.

987135 is a deficient number, since it is larger than the sum of its proper divisors (592305).

987135 is a wasteful number, since it uses less digits than its factorization.

987135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65817.

The product of its digits is 7560, while the sum is 33.

The square root of 987135 is about 993.5466773131. The cubic root of 987135 is about 99.5693144290.

The spelling of 987135 in words is "nine hundred eighty-seven thousand, one hundred thirty-five".