1200489 has 8 divisors (see below), whose sum is σ = 1694880. Its totient is φ = 753216.

The previous prime is 1200467. The next prime is 1200491. The reversal of 1200489 is 9840021.

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

It is not a de Polignac number, because 1200489 - 2⁷ = 1200361 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1200449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11719 + ... + 11820.

It is an arithmetic number, because the mean of its divisors is an integer number (211860).

2^1200489 is an apocalyptic number.

It is an amenable number.

1200489 is a deficient number, since it is larger than the sum of its proper divisors (494391).

1200489 is a wasteful number, since it uses less digits than its factorization.

1200489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23559.

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 1200489 is about 1095.6682892190. The cubic root of 1200489 is about 106.2802894036.

The spelling of 1200489 in words is "one million, two hundred thousand, four hundred eighty-nine".