1131003204 has 24 divisors (see below), whose sum is σ = 2703374688. Its totient is φ = 367805760.

The previous prime is 1131003197. The next prime is 1131003221. The reversal of 1131003204 is 4023001311.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1148902 + ... + 1149885.

It is an arithmetic number, because the mean of its divisors is an integer number (112640612).

Almost surely, 2^1131003204 is an apocalyptic number.

It is an amenable number.

1131003204 is an abundant number, since it is smaller than the sum of its proper divisors (1572371484).

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

1131003204 is a wasteful number, since it uses less digits than its factorization.

1131003204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2298835 (or 2298833 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1131003204 is about 33630.3910771195. The cubic root of 1131003204 is about 1041.8885814336. Note that the first 3 decimals are identical.

Adding to 1131003204 its reverse (4023001311), we get a palindrome (5154004515).

The spelling of 1131003204 in words is "one billion, one hundred thirty-one million, three thousand, two hundred four".