1243441304 has 32 divisors (see below), whose sum is σ = 2667444480. Its totient is φ = 532317984.

The previous prime is 1243441291. The next prime is 1243441307. The reversal of 1243441304 is 4031443421.

It is a super-2 number, since 2×1243441304² = 3092292552986440832, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1243441307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41309 + ... + 64755.

It is an arithmetic number, because the mean of its divisors is an integer number (83357640).

Almost surely, 2^1243441304 is an apocalyptic number.

1243441304 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1243441304 is an abundant number, since it is smaller than the sum of its proper divisors (1424003176).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1243441304 is a wasteful number, since it uses less digits than its factorization.

1243441304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24407 (or 24403 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 1243441304 is about 35262.4631017177. The cubic root of 1243441304 is about 1075.3300025977.

Adding to 1243441304 its reverse (4031443421), we get a palindrome (5274884725).

The spelling of 1243441304 in words is "one billion, two hundred forty-three million, four hundred forty-one thousand, three hundred four".