1144209 has 8 divisors (see below), whose sum is σ = 1664352. Its totient is φ = 693440.

The previous prime is 1144193. The next prime is 1144211. The reversal of 1144209 is 9024411.

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

It is not a de Polignac number, because 1144209 - 2⁴ = 1144193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1144249) 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, 17304 + ... + 17369.

It is an arithmetic number, because the mean of its divisors is an integer number (208044).

2^1144209 is an apocalyptic number.

It is an amenable number.

1144209 is a deficient number, since it is larger than the sum of its proper divisors (520143).

1144209 is a wasteful number, since it uses less digits than its factorization.

1144209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34687.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 1144209 is about 1069.6770540682. The cubic root of 1144209 is about 104.5927992928.

The spelling of 1144209 in words is "one million, one hundred forty-four thousand, two hundred nine".