1029172 has 6 divisors (see below), whose sum is σ = 1801058. Its totient is φ = 514584.

The previous prime is 1029167. The next prime is 1029179. The reversal of 1029172 is 2719201.

It can be written as a sum of positive squares in only one way, i.e., 872356 + 156816 = 934^2 + 396^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1029179) by changing a digit.

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, 128643 + ... + 128650.

2^1029172 is an apocalyptic number.

It is an amenable number.

1029172 is a deficient number, since it is larger than the sum of its proper divisors (771886).

1029172 is a wasteful number, since it uses less digits than its factorization.

1029172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257297 (or 257295 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 22.

The square root of 1029172 is about 1014.4811481738. The cubic root of 1029172 is about 100.9630947085.

The spelling of 1029172 in words is "one million, twenty-nine thousand, one hundred seventy-two".