1442205 has 24 divisors (see below), whose sum is σ = 2594592. Its totient is φ = 768528.

The previous prime is 1442191. The next prime is 1442209. The reversal of 1442205 is 5022441.

It is not a de Polignac number, because 1442205 - 2⁵ = 1442173 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1442209) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 622 + ... + 1808.

It is an arithmetic number, because the mean of its divisors is an integer number (108108).

2^1442205 is an apocalyptic number.

1442205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1442205 is a deficient number, since it is larger than the sum of its proper divisors (1152387).

1442205 is an equidigital number, since it uses as much as digits as its factorization.

1442205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1207 (or 1195 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 1442205 is about 1200.9183985600. The cubic root of 1442205 is about 112.9819325279.

Adding to 1442205 its reverse (5022441), we get a palindrome (6464646).

The spelling of 1442205 in words is "one million, four hundred forty-two thousand, two hundred five".