1075820 has 12 divisors (see below), whose sum is σ = 2259264. Its totient is φ = 430320.

The previous prime is 1075807. The next prime is 1075843. The reversal of 1075820 is 285701.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26876 + ... + 26915.

It is an arithmetic number, because the mean of its divisors is an integer number (188272).

2^1075820 is an apocalyptic number.

1075820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1075820 is an abundant number, since it is smaller than the sum of its proper divisors (1183444).

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

1075820 is a wasteful number, since it uses less digits than its factorization.

1075820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53800 (or 53798 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 23.

The square root of 1075820 is about 1037.2174314000. The cubic root of 1075820 is about 102.4660208608.

The spelling of 1075820 in words is "one million, seventy-five thousand, eight hundred twenty".