1004203172 has 24 divisors (see below), whose sum is σ = 2009870016. Its totient is φ = 430059168.

The previous prime is 1004203171. The next prime is 1004203217. The reversal of 1004203172 is 2713024001.

It is a super-3 number, since 3×1004203172³ (a number of 28 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1004203171) 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, 28343 + ... + 53025.

It is an arithmetic number, because the mean of its divisors is an integer number (83744584).

Almost surely, 2^1004203172 is an apocalyptic number.

It is an amenable number.

1004203172 is an abundant number, since it is smaller than the sum of its proper divisors (1005666844).

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

1004203172 is a wasteful number, since it uses less digits than its factorization.

1004203172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26147 (or 26145 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 1004203172 is about 31689.1648990629. The cubic root of 1004203172 is about 1001.3990989426.

Adding to 1004203172 its reverse (2713024001), we get a palindrome (3717227173).

The spelling of 1004203172 in words is "one billion, four million, two hundred three thousand, one hundred seventy-two".