1289073 has 16 divisors (see below), whose sum is σ = 1806336. Its totient is φ = 816720.

The previous prime is 1289053. The next prime is 1289077. The reversal of 1289073 is 3709821.

It is a happy number.

It is not a de Polignac number, because 1289073 - 2⁶ = 1289009 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1289073.

It is not an unprimeable number, because it can be changed into a prime (1289077) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7636 + ... + 7802.

It is an arithmetic number, because the mean of its divisors is an integer number (112896).

2^1289073 is an apocalyptic number.

It is an amenable number.

1289073 is a deficient number, since it is larger than the sum of its proper divisors (517263).

1289073 is a wasteful number, since it uses less digits than its factorization.

1289073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284.

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 1289073 is about 1135.3735068250. The cubic root of 1289073 is about 108.8326416352.

The spelling of 1289073 in words is "one million, two hundred eighty-nine thousand, seventy-three".