987134 has 4 divisors (see below), whose sum is σ = 1480704. Its totient is φ = 493566.

The previous prime is 987127. The next prime is 987143. The reversal of 987134 is 431789.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 431789 = 47 ⋅9187.

It is a self number, because there is not a number n which added to its sum of digits gives 987134.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 246782 + ... + 246785.

It is an arithmetic number, because the mean of its divisors is an integer number (370176).

2⁹⁸⁷¹³⁴ is an apocalyptic number.

987134 is a deficient number, since it is larger than the sum of its proper divisors (493570).

987134 is a wasteful number, since it uses less digits than its factorization.

987134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493569.

The product of its digits is 6048, while the sum is 32.

The square root of 987134 is about 993.5461740654. The cubic root of 987134 is about 99.5692808067.

The spelling of 987134 in words is "nine hundred eighty-seven thousand, one hundred thirty-four".