1055205 has 24 divisors (see below), whose sum is σ = 1853280. Its totient is φ = 555360.

The previous prime is 1055191. The next prime is 1055231. The reversal of 1055205 is 5025501.

1055205 = T₆ + T₇ + ... + T₁₈₄.

It is not a de Polignac number, because 1055205 - 2⁴ = 1055189 is a prime.

It is a super-2 number, since 2×1055205² = 2226915184050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5806 + ... + 5984.

It is an arithmetic number, because the mean of its divisors is an integer number (77220).

2^1055205 is an apocalyptic number.

1055205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1055205 is a deficient number, since it is larger than the sum of its proper divisors (798075).

1055205 is a wasteful number, since it uses less digits than its factorization.

1055205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321 (or 318 counting only the distinct ones).

The product of its (nonzero) digits is 250, while the sum is 18.

The square root of 1055205 is about 1027.2317168001. The cubic root of 1055205 is about 101.8073063282.

The spelling of 1055205 in words is "one million, fifty-five thousand, two hundred five".