1082240 has 64 divisors (see below), whose sum is σ = 2754000. Its totient is φ = 405504.

The previous prime is 1082233. The next prime is 1082243. The reversal of 1082240 is 422801.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1082243) 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 7 ways as a sum of consecutive naturals, for example, 12116 + ... + 12204.

2^1082240 is an apocalyptic number.

1082240 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 1082240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1377000).

1082240 is an abundant number, since it is smaller than the sum of its proper divisors (1671760).

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

1082240 is an equidigital number, since it uses as much as digits as its factorization.

1082240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127 (or 115 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 1082240 is about 1040.3076468045. The cubic root of 1082240 is about 102.6694401530.

The spelling of 1082240 in words is "one million, eighty-two thousand, two hundred forty".