1045172 has 12 divisors (see below), whose sum is σ = 1873956. Its totient is φ = 509760.

The previous prime is 1045157. The next prime is 1045183. The reversal of 1045172 is 2715401.

It can be written as a sum of positive squares in 2 ways, for example, as 414736 + 630436 = 644^2 + 794^2 .

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3023 + ... + 3350.

It is an arithmetic number, because the mean of its divisors is an integer number (156163).

2^1045172 is an apocalyptic number.

It is an amenable number.

1045172 is a deficient number, since it is larger than the sum of its proper divisors (828784).

1045172 is a wasteful number, since it uses less digits than its factorization.

1045172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6418 (or 6416 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 1045172 is about 1022.3365395015. The cubic root of 1045172 is about 101.4836133932.

The spelling of 1045172 in words is "one million, forty-five thousand, one hundred seventy-two".