1289063 has 4 divisors (see below), whose sum is σ = 1301928. Its totient is φ = 1276200.

The previous prime is 1289053. The next prime is 1289077. The reversal of 1289063 is 3609821.

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 1289063 - 2¹² = 1284967 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1289003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6281 + ... + 6482.

It is an arithmetic number, because the mean of its divisors is an integer number (325482).

2^1289063 is an apocalyptic number.

1289063 is a deficient number, since it is larger than the sum of its proper divisors (12865).

1289063 is a wasteful number, since it uses less digits than its factorization.

1289063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12864.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 1289063 is about 1135.3691029793. The cubic root of 1289063 is about 108.8323602109.

The spelling of 1289063 in words is "one million, two hundred eighty-nine thousand, sixty-three".