1029320 has 16 divisors (see below), whose sum is σ = 2316060. Its totient is φ = 411712.

The previous prime is 1029307. The next prime is 1029323. The reversal of 1029320 is 239201.

It can be written as a sum of positive squares in 2 ways, for example, as 917764 + 111556 = 958^2 + 334^2 .

It is not an unprimeable number, because it can be changed into a prime (1029323) 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 in 3 ways as a sum of consecutive naturals, for example, 12827 + ... + 12906.

2^1029320 is an apocalyptic number.

1029320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1029320 is an abundant number, since it is smaller than the sum of its proper divisors (1286740).

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

1029320 is a wasteful number, since it uses less digits than its factorization.

1029320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25744 (or 25740 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 1029320 is about 1014.5540892432. The cubic root of 1029320 is about 100.9679341399.

The spelling of 1029320 in words is "one million, twenty-nine thousand, three hundred twenty".