1013203204 has 12 divisors (see below), whose sum is σ = 1909498444. Its totient is φ = 467632224.

The previous prime is 1013203201. The next prime is 1013203207. The reversal of 1013203204 is 4023023101.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1013203201) and next prime (1013203207).

It can be written as a sum of positive squares in 2 ways, for example, as 176836804 + 836366400 = 13298^2 + 28920^2 .

It is not an unprimeable number, because it can be changed into a prime (1013203201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9742287 + ... + 9742390.

Almost surely, 2^1013203204 is an apocalyptic number.

It is an amenable number.

1013203204 is a deficient number, since it is larger than the sum of its proper divisors (896295240).

1013203204 is a wasteful number, since it uses less digits than its factorization.

1013203204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19484694 (or 19484692 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1013203204 is about 31830.8530203009. The cubic root of 1013203204 is about 1004.3818394386.

Adding to 1013203204 its reverse (4023023101), we get a palindrome (5036226305).

The spelling of 1013203204 in words is "one billion, thirteen million, two hundred three thousand, two hundred four".