1244211242 has 8 divisors (see below), whose sum is σ = 1892603232. Its totient is φ = 613343500.

The previous prime is 1244211217. The next prime is 1244211377. The reversal of 1244211242 is 2421124421.

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

It is a super-2 number, since 2×1244211242² = 3096123229438365128, which contains 22 as substring.

It is an unprimeable number.

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, 4380884 + ... + 4381167.

It is an arithmetic number, because the mean of its divisors is an integer number (236575404).

Almost surely, 2^1244211242 is an apocalyptic number.

1244211242 is a deficient number, since it is larger than the sum of its proper divisors (648391990).

1244211242 is an equidigital number, since it uses as much as digits as its factorization.

1244211242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8762124.

The product of its digits is 1024, while the sum is 23.

The square root of 1244211242 is about 35273.3786586995. The cubic root of 1244211242 is about 1075.5519046694.

Adding to 1244211242 its reverse (2421124421), we get a palindrome (3665335663).

The spelling of 1244211242 in words is "one billion, two hundred forty-four million, two hundred eleven thousand, two hundred forty-two".