1289066 has 8 divisors (see below), whose sum is σ = 1970244. Its totient is φ = 632320.

The previous prime is 1289053. The next prime is 1289077. The reversal of 1289066 is 6609821.

It can be written as a sum of positive squares in 2 ways, for example, as 1288225 + 841 = 1135^2 + 29^2 .

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5975 + ... + 6186.

2^1289066 is an apocalyptic number.

1289066 is a deficient number, since it is larger than the sum of its proper divisors (681178).

1289066 is a wasteful number, since it uses less digits than its factorization.

1289066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12216.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 1289066 is about 1135.3704241348. The cubic root of 1289066 is about 108.8324446384.

The spelling of 1289066 in words is "one million, two hundred eighty-nine thousand, sixty-six".