1055285 has 16 divisors (see below), whose sum is σ = 1579392. Its totient is φ = 657600.

The previous prime is 1055269. The next prime is 1055303. The reversal of 1055285 is 5825501.

1055285 = T₈₆ + T₈₇ + ... + T₁₉₀.

It is not a de Polignac number, because 1055285 - 2⁴ = 1055269 is a prime.

It is a super-2 number, since 2×1055285² = 2227252862450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 986 + ... + 1755.

It is an arithmetic number, because the mean of its divisors is an integer number (98712).

2^1055285 is an apocalyptic number.

It is an amenable number.

1055285 is a deficient number, since it is larger than the sum of its proper divisors (524107).

1055285 is a wasteful number, since it uses less digits than its factorization.

1055285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2764.

The product of its (nonzero) digits is 2000, while the sum is 26.

The square root of 1055285 is about 1027.2706556697. The cubic root of 1055285 is about 101.8098790916.

The spelling of 1055285 in words is "one million, fifty-five thousand, two hundred eighty-five".