1442173 has 2 divisors, whose sum is σ = 1442174. Its totient is φ = 1442172.

The previous prime is 1442159. The next prime is 1442191. The reversal of 1442173 is 3712441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1085764 + 356409 = 1042^2 + 597^2 .

It is an emirp because it is prime and its reverse (3712441) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1442173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1442143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 721086 + 721087.

It is an arithmetic number, because the mean of its divisors is an integer number (721087).

2^1442173 is an apocalyptic number.

It is an amenable number.

1442173 is a deficient number, since it is larger than the sum of its proper divisors (1).

1442173 is an equidigital number, since it uses as much as digits as its factorization.

1442173 is an evil number, because the sum of its binary digits is even.

The product of its digits is 672, while the sum is 22.

The square root of 1442173 is about 1200.9050753494. The cubic root of 1442173 is about 112.9810968980.

The spelling of 1442173 in words is "one million, four hundred forty-two thousand, one hundred seventy-three".