1442660003 has 2 divisors, whose sum is σ = 1442660004. Its totient is φ = 1442660002.

The previous prime is 1442659979. The next prime is 1442660029. The reversal of 1442660003 is 3000662441.

It is an a-pointer prime, because the next prime (1442660029) can be obtained adding 1442660003 to its sum of digits (26).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1442660003 - 2⁸ = 1442659747 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1442660033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 721330001 + 721330002.

It is an arithmetic number, because the mean of its divisors is an integer number (721330002).

Almost surely, 2^1442660003 is an apocalyptic number.

1442660003 is a deficient number, since it is larger than the sum of its proper divisors (1).

1442660003 is an equidigital number, since it uses as much as digits as its factorization.

1442660003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 1442660003 is about 37982.3643682170. The cubic root of 1442660003 is about 1129.9381288076.

The spelling of 1442660003 in words is "one billion, four hundred forty-two million, six hundred sixty thousand, three".