1244242 has 8 divisors (see below), whose sum is σ = 1871100. Its totient is φ = 620544.

The previous prime is 1244233. The next prime is 1244249. The reversal of 1244242 is 2424421.

It can be written as a sum of positive squares in 2 ways, for example, as 1212201 + 32041 = 1101^2 + 179^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1244249) 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 in 3 ways as a sum of consecutive naturals, for example, 1134 + ... + 1942.

2^1244242 is an apocalyptic number.

1244242 is a deficient number, since it is larger than the sum of its proper divisors (626858).

1244242 is an equidigital number, since it uses as much as digits as its factorization.

1244242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1580.

The product of its digits is 512, while the sum is 19.

The square root of 1244242 is about 1115.4559605829. The cubic root of 1244242 is about 107.5560767461.

Adding to 1244242 its reverse (2424421), we get a palindrome (3668663).

The spelling of 1244242 in words is "one million, two hundred forty-four thousand, two hundred forty-two".