1244993 has 2 divisors, whose sum is σ = 1244994. Its totient is φ = 1244992.

The previous prime is 1244989. The next prime is 1245001. The reversal of 1244993 is 3994421.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1098304 + 146689 = 1048^2 + 383^2 .

It is an emirp because it is prime and its reverse (3994421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1244993 - 2² = 1244989 is a prime.

It is not a weakly prime, because it can be changed into another prime (1244923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 622496 + 622497.

It is an arithmetic number, because the mean of its divisors is an integer number (622497).

2^1244993 is an apocalyptic number.

It is an amenable number.

1244993 is a deficient number, since it is larger than the sum of its proper divisors (1).

1244993 is an equidigital number, since it uses as much as digits as its factorization.

1244993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7776, while the sum is 32.

The square root of 1244993 is about 1115.7925434417. The cubic root of 1244993 is about 107.5777119713.

The spelling of 1244993 in words is "one million, two hundred forty-four thousand, nine hundred ninety-three".