1422043 has 8 divisors (see below), whose sum is σ = 1656288. Its totient is φ = 1195584.

The previous prime is 1422023. The next prime is 1422061. The reversal of 1422043 is 3402241.

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

It is a cyclic number.

It is not a de Polignac number, because 1422043 - 2⁵ = 1422011 is a prime.

It is a Duffinian number.

1422043 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1422013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1546 + ... + 2287.

It is an arithmetic number, because the mean of its divisors is an integer number (207036).

2^1422043 is an apocalyptic number.

1422043 is a deficient number, since it is larger than the sum of its proper divisors (234245).

1422043 is an equidigital number, since it uses as much as digits as its factorization.

1422043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3893.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 1422043 is about 1192.4944444315. The cubic root of 1422043 is about 112.4529646998.

Adding to 1422043 its reverse (3402241), we get a palindrome (4824284).

The spelling of 1422043 in words is "one million, four hundred twenty-two thousand, forty-three".