1055885 has 4 divisors (see below), whose sum is σ = 1267068. Its totient is φ = 844704.

The previous prime is 1055881. The next prime is 1055893. The reversal of 1055885 is 5885501.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 346921 + 708964 = 589^2 + 842^2 .

It is a cyclic number.

It is not a de Polignac number, because 1055885 - 2² = 1055881 is a prime.

It is a super-2 number, since 2×1055885² = 2229786266450, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055881) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105584 + ... + 105593.

It is an arithmetic number, because the mean of its divisors is an integer number (316767).

2^1055885 is an apocalyptic number.

It is an amenable number.

1055885 is a deficient number, since it is larger than the sum of its proper divisors (211183).

1055885 is an equidigital number, since it uses as much as digits as its factorization.

1055885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211182.

The product of its (nonzero) digits is 8000, while the sum is 32.

The square root of 1055885 is about 1027.5626501581. The cubic root of 1055885 is about 101.8291706745.

The spelling of 1055885 in words is "one million, fifty-five thousand, eight hundred eighty-five".