1003172 has 6 divisors (see below), whose sum is σ = 1755558. Its totient is φ = 501584.

The previous prime is 1003141. The next prime is 1003193. The reversal of 1003172 is 2713001.

It can be written as a sum of positive squares in only one way, i.e., 972196 + 30976 = 986^2 + 176^2 .

It is a super-3 number, since 3×1003172³ = 3028638650002033344, which contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125393 + ... + 125400.

It is an arithmetic number, because the mean of its divisors is an integer number (292593).

2^1003172 is an apocalyptic number.

It is an amenable number.

1003172 is a deficient number, since it is larger than the sum of its proper divisors (752386).

1003172 is a wasteful number, since it uses less digits than its factorization.

1003172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250797 (or 250795 counting only the distinct ones).

The product of its (nonzero) digits is 42, while the sum is 14.

The square root of 1003172 is about 1001.5847442928. The cubic root of 1003172 is about 100.1056217345.

Adding to 1003172 its reverse (2713001), we get a palindrome (3716173).

The spelling of 1003172 in words is "one million, three thousand, one hundred seventy-two".