1000131204 has 24 divisors (see below), whose sum is σ = 2390558688. Its totient is φ = 325245760.

The previous prime is 1000131203. The next prime is 1000131217. The reversal of 1000131204 is 4021310001.

It is a happy number.

1000131204 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a self number, because there is not a number n which added to its sum of digits gives 1000131204.

It is not an unprimeable number, because it can be changed into a prime (1000131203) 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, 1015902 + ... + 1016885.

It is an arithmetic number, because the mean of its divisors is an integer number (99606612).

Almost surely, 2^1000131204 is an apocalyptic number.

It is an amenable number.

1000131204 is an abundant number, since it is smaller than the sum of its proper divisors (1390427484).

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

1000131204 is a wasteful number, since it uses less digits than its factorization.

1000131204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2032835 (or 2032833 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 1000131204 is about 31624.8510510326. The cubic root of 1000131204 is about 1000.0437327541.

Adding to 1000131204 its reverse (4021310001), we get a palindrome (5021441205).

The spelling of 1000131204 in words is "one billion, one hundred thirty-one thousand, two hundred four".