1442047 has 4 divisors (see below), whose sum is σ = 1444456. Its totient is φ = 1439640.

The previous prime is 1442017. The next prime is 1442053. The reversal of 1442047 is 7402441.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1442047 - 2¹⁹ = 917759 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1442017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 472 + ... + 1762.

It is an arithmetic number, because the mean of its divisors is an integer number (361114).

2^1442047 is an apocalyptic number.

1442047 is a deficient number, since it is larger than the sum of its proper divisors (2409).

1442047 is a wasteful number, since it uses less digits than its factorization.

1442047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2408.

The product of its (nonzero) digits is 896, while the sum is 22.

The square root of 1442047 is about 1200.8526137707. The cubic root of 1442047 is about 112.9778064854.

Adding to 1442047 its reverse (7402441), we get a palindrome (8844488).

The spelling of 1442047 in words is "one million, four hundred forty-two thousand, forty-seven".