1155233204 has 12 divisors (see below), whose sum is σ = 2040552864. Its totient is φ = 572218104.

The previous prime is 1155233159. The next prime is 1155233221. The reversal of 1155233204 is 4023325511.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1349144 + ... + 1349999.

It is an arithmetic number, because the mean of its divisors is an integer number (170046072).

Almost surely, 2^1155233204 is an apocalyptic number.

It is an amenable number.

1155233204 is a deficient number, since it is larger than the sum of its proper divisors (885319660).

1155233204 is a wasteful number, since it uses less digits than its factorization.

1155233204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2699254 (or 2699252 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 1155233204 is about 33988.7217176522. The cubic root of 1155233204 is about 1049.2763582337.

Adding to 1155233204 its reverse (4023325511), we get a palindrome (5178558715).

The spelling of 1155233204 in words is "one billion, one hundred fifty-five million, two hundred thirty-three thousand, two hundred four".