1244879 has 2 divisors, whose sum is σ = 1244880. Its totient is φ = 1244878.

The previous prime is 1244863. The next prime is 1244909. The reversal of 1244879 is 9784421.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1244879 - 2⁴ = 1244863 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1244819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 622439 + 622440.

It is an arithmetic number, because the mean of its divisors is an integer number (622440).

2^1244879 is an apocalyptic number.

1244879 is a deficient number, since it is larger than the sum of its proper divisors (1).

1244879 is an equidigital number, since it uses as much as digits as its factorization.

1244879 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16128, while the sum is 35.

The square root of 1244879 is about 1115.7414575071. The cubic root of 1244879 is about 107.5744283562.

The spelling of 1244879 in words is "one million, two hundred forty-four thousand, eight hundred seventy-nine".