1125131204 has 24 divisors (see below), whose sum is σ = 2056750080. Its totient is φ = 537539904.

The previous prime is 1125131177. The next prime is 1125131209. The reversal of 1125131204 is 4021315211.

It is not an unprimeable number, because it can be changed into a prime (1125131209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89117 + ... + 100955.

It is an arithmetic number, because the mean of its divisors is an integer number (85697920).

Almost surely, 2^1125131204 is an apocalyptic number.

It is an amenable number.

1125131204 is a deficient number, since it is larger than the sum of its proper divisors (931618876).

1125131204 is a wasteful number, since it uses less digits than its factorization.

1125131204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12899 (or 12897 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 1125131204 is about 33542.9754792266. The cubic root of 1125131204 is about 1040.0823418532.

Adding to 1125131204 its reverse (4021315211), we get a palindrome (5146446415).

The spelling of 1125131204 in words is "one billion, one hundred twenty-five million, one hundred thirty-one thousand, two hundred four".