1187006 has 8 divisors (see below), whose sum is σ = 1874280. Its totient is φ = 562248.

The previous prime is 1187003. The next prime is 1187009. The reversal of 1187006 is 6007811.

It is an interprime number because it is at equal distance from previous prime (1187003) and next prime (1187009).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1187003) by changing a digit.

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, 15581 + ... + 15656.

It is an arithmetic number, because the mean of its divisors is an integer number (234285).

2^1187006 is an apocalyptic number.

1187006 is a deficient number, since it is larger than the sum of its proper divisors (687274).

1187006 is a wasteful number, since it uses less digits than its factorization.

1187006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31258.

The product of its (nonzero) digits is 336, while the sum is 23.

The square root of 1187006 is about 1089.4980495623. The cubic root of 1187006 is about 105.8809033813.

The spelling of 1187006 in words is "one million, one hundred eighty-seven thousand, six".