1187134 has 8 divisors (see below), whose sum is σ = 1917720. Its totient is φ = 547896.

The previous prime is 1187117. The next prime is 1187141. The reversal of 1187134 is 4317811.

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

It is a junction number, because it is equal to n+sod(n) for n = 1187099 and 1187108.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22804 + ... + 22855.

It is an arithmetic number, because the mean of its divisors is an integer number (239715).

2^1187134 is an apocalyptic number.

1187134 is a deficient number, since it is larger than the sum of its proper divisors (730586).

1187134 is a wasteful number, since it uses less digits than its factorization.

1187134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45674.

The product of its digits is 672, while the sum is 25.

The square root of 1187134 is about 1089.5567906264. The cubic root of 1187134 is about 105.8847091100.

The spelling of 1187134 in words is "one million, one hundred eighty-seven thousand, one hundred thirty-four".