1303172 has 24 divisors (see below), whose sum is σ = 2587200. Its totient is φ = 569376.

The previous prime is 1303171. The next prime is 1303189. The reversal of 1303172 is 2713031.

It is a super-3 number, since 3×1303172³ = 6639363936278833344, which contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1303172.

It is not an unprimeable number, because it can be changed into a prime (1303171) 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, 329 + ... + 1647.

It is an arithmetic number, because the mean of its divisors is an integer number (107800).

2^1303172 is an apocalyptic number.

It is an amenable number.

1303172 is a deficient number, since it is larger than the sum of its proper divisors (1284028).

1303172 is a wasteful number, since it uses less digits than its factorization.

1303172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1355 (or 1353 counting only the distinct ones).

The product of its (nonzero) digits is 126, while the sum is 17.

The square root of 1303172 is about 1141.5655916328. The cubic root of 1303172 is about 109.2279828281.

The spelling of 1303172 in words is "one million, three hundred three thousand, one hundred seventy-two".