1442069 has 2 divisors, whose sum is σ = 1442070. Its totient is φ = 1442068.

The previous prime is 1442057. The next prime is 1442071. The reversal of 1442069 is 9602441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1311025 + 131044 = 1145^2 + 362^2 .

It is an emirp because it is prime and its reverse (9602441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1442069 - 2⁴ = 1442053 is a prime.

It is a super-2 number, since 2×1442069² = 4159126001522, which contains 22 as substring.

Together with 1442071, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1442009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 721034 + 721035.

It is an arithmetic number, because the mean of its divisors is an integer number (721035).

2^1442069 is an apocalyptic number.

It is an amenable number.

1442069 is a deficient number, since it is larger than the sum of its proper divisors (1).

1442069 is an equidigital number, since it uses as much as digits as its factorization.

1442069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 1442069 is about 1200.8617738941. The cubic root of 1442069 is about 112.9783810157.

The spelling of 1442069 in words is "one million, four hundred forty-two thousand, sixty-nine".