1058320 has 20 divisors (see below), whose sum is σ = 2460780. Its totient is φ = 423296.

The previous prime is 1058303. The next prime is 1058329. The reversal of 1058320 is 238501.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 831744 + 226576 = 912^2 + 476^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×1058320² = 2240082444800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1058329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6535 + ... + 6694.

It is an arithmetic number, because the mean of its divisors is an integer number (123039).

2^1058320 is an apocalyptic number.

1058320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1058320 is an abundant number, since it is smaller than the sum of its proper divisors (1402460).

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

1058320 is a wasteful number, since it uses less digits than its factorization.

1058320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13242 (or 13236 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 1058320 is about 1028.7468104446. The cubic root of 1058320 is about 101.9073874217.

It can be divided in two parts, 1058 and 320, that added together give a triangular number (1378 = T₅₂).

The spelling of 1058320 in words is "one million, fifty-eight thousand, three hundred twenty".