1448779 has 2 divisors, whose sum is σ = 1448780. Its totient is φ = 1448778.

The previous prime is 1448771. The next prime is 1448789. The reversal of 1448779 is 9778441.

It is a weak prime.

It is an emirp because it is prime and its reverse (9778441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1448779 - 2³ = 1448771 is a prime.

It is not a weakly prime, because it can be changed into another prime (1448771) 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 as a sum of consecutive naturals, namely, 724389 + 724390.

It is an arithmetic number, because the mean of its divisors is an integer number (724390).

2^1448779 is an apocalyptic number.

1448779 is a deficient number, since it is larger than the sum of its proper divisors (1).

1448779 is an equidigital number, since it uses as much as digits as its factorization.

1448779 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 56448, while the sum is 40.

The square root of 1448779 is about 1203.6523584491. The cubic root of 1448779 is about 113.1533407825.

The spelling of 1448779 in words is "one million, four hundred forty-eight thousand, seven hundred seventy-nine".