1188266 has 8 divisors (see below), whose sum is σ = 1887300. Its totient is φ = 559168.

The previous prime is 1188263. The next prime is 1188269. The reversal of 1188266 is 6628811.

It is an interprime number because it is at equal distance from previous prime (1188263) and next prime (1188269).

It can be written as a sum of positive squares in 2 ways, for example, as 1164241 + 24025 = 1079^2 + 155^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1188263) 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, 17441 + ... + 17508.

2^1188266 is an apocalyptic number.

1188266 is a deficient number, since it is larger than the sum of its proper divisors (699034).

1188266 is a wasteful number, since it uses less digits than its factorization.

1188266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34968.

The product of its digits is 4608, while the sum is 32.

The square root of 1188266 is about 1090.0761441294. The cubic root of 1188266 is about 105.9183541219.

The spelling of 1188266 in words is "one million, one hundred eighty-eight thousand, two hundred sixty-six".