1244420303 has 8 divisors (see below), whose sum is σ = 1423119360. Its totient is φ = 1065952440.

The previous prime is 1244420299. The next prime is 1244420311. The reversal of 1244420303 is 3030244421.

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

It is not a de Polignac number, because 1244420303 - 2² = 1244420299 is a prime.

It is a super-2 number, since 2×1244420303² = 3097163781037223618, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1244420323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46103 + ... + 67928.

It is an arithmetic number, because the mean of its divisors is an integer number (177889920).

Almost surely, 2^1244420303 is an apocalyptic number.

1244420303 is a deficient number, since it is larger than the sum of its proper divisors (178699057).

1244420303 is a wasteful number, since it uses less digits than its factorization.

1244420303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115597.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 1244420303 is about 35276.3419730561. The cubic root of 1244420303 is about 1075.6121418586.

Adding to 1244420303 its reverse (3030244421), we get a palindrome (4274664724).

The spelling of 1244420303 in words is "one billion, two hundred forty-four million, four hundred twenty thousand, three hundred three".