1143225204 has 24 divisors (see below), whose sum is σ = 2910028128. Its totient is φ = 346431840.

The previous prime is 1143225169. The next prime is 1143225229. The reversal of 1143225204 is 4025223411.

It is a congruent number.

It is an unprimeable number.

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, 4330267 + ... + 4330530.

It is an arithmetic number, because the mean of its divisors is an integer number (121251172).

Almost surely, 2^1143225204 is an apocalyptic number.

It is an amenable number.

1143225204 is an abundant number, since it is smaller than the sum of its proper divisors (1766802924).

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

1143225204 is a wasteful number, since it uses less digits than its factorization.

1143225204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8660815 (or 8660813 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 1143225204 is about 33811.6134486363. The cubic root of 1143225204 is about 1045.6281424562.

Adding to 1143225204 its reverse (4025223411), we get a palindrome (5168448615).

The spelling of 1143225204 in words is "one billion, one hundred forty-three million, two hundred twenty-five thousand, two hundred four".