1441209 has 32 divisors (see below), whose sum is σ = 2543616. Its totient is φ = 702720.

The previous prime is 1441201. The next prime is 1441217. The reversal of 1441209 is 9021441.

1441209 = T₂₇₄ + T₂₇₅ + ... + T₃₀₇.

It is an interprime number because it is at equal distance from previous prime (1441201) and next prime (1441217).

It is not a de Polignac number, because 1441209 - 2³ = 1441201 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (1441201) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3744 + ... + 4110.

It is an arithmetic number, because the mean of its divisors is an integer number (79488).

2^1441209 is an apocalyptic number.

It is an amenable number.

1441209 is a deficient number, since it is larger than the sum of its proper divisors (1102407).

1441209 is a wasteful number, since it uses less digits than its factorization.

1441209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405.

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

The square root of 1441209 is about 1200.5036443093. The cubic root of 1441209 is about 112.9559177520.

The spelling of 1441209 in words is "one million, four hundred forty-one thousand, two hundred nine".