1188067 has 4 divisors (see below), whose sum is σ = 1193400. Its totient is φ = 1182736.

The previous prime is 1188059. The next prime is 1188071. The reversal of 1188067 is 7608811.

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 1188067 - 2³ = 1188059 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1188007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2317 + ... + 2782.

It is an arithmetic number, because the mean of its divisors is an integer number (298350).

2^1188067 is an apocalyptic number.

1188067 is a deficient number, since it is larger than the sum of its proper divisors (5333).

1188067 is an equidigital number, since it uses as much as digits as its factorization.

1188067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5332.

The product of its (nonzero) digits is 2688, while the sum is 31.

The square root of 1188067 is about 1089.9848622802. The cubic root of 1188067 is about 105.9124410437.

The spelling of 1188067 in words is "one million, one hundred eighty-eight thousand, sixty-seven".