1030320 has 120 divisors (see below), whose sum is σ = 3656016. Its totient is φ = 269568.

The previous prime is 1030307. The next prime is 1030349. The reversal of 1030320 is 230301.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (9).

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 in 23 ways as a sum of consecutive naturals, for example, 19414 + ... + 19466.

2^1030320 is an apocalyptic number.

1030320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1030320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1828008).

1030320 is an abundant number, since it is smaller than the sum of its proper divisors (2625696).

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

1030320 is an equidigital number, since it uses as much as digits as its factorization.

1030320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81 (or 63 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 9.

The square root of 1030320 is about 1015.0467969508. The cubic root of 1030320 is about 101.0006208503. Note that the first 3 decimals are identical.

Adding to 1030320 its reverse (230301), we get a palindrome (1260621).

The spelling of 1030320 in words is "one million, thirty thousand, three hundred twenty".