1155324204 has 36 divisors (see below), whose sum is σ = 2946257496. Its totient is φ = 381698688.

The previous prime is 1155324187. The next prime is 1155324229. The reversal of 1155324204 is 4024235511.

It is a tau number, because it is divible by the number of its divisors (36).

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 137934 + ... + 146069.

It is an arithmetic number, because the mean of its divisors is an integer number (81840486).

Almost surely, 2^1155324204 is an apocalyptic number.

It is an amenable number.

1155324204 is an abundant number, since it is smaller than the sum of its proper divisors (1790933292).

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

1155324204 is a wasteful number, since it uses less digits than its factorization.

1155324204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284126 (or 284121 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 1155324204 is about 33990.0603706437. The cubic root of 1155324204 is about 1049.3039087004.

Adding to 1155324204 its reverse (4024235511), we get a palindrome (5179559715).

The spelling of 1155324204 in words is "one billion, one hundred fifty-five million, three hundred twenty-four thousand, two hundred four".