1005055205 has 16 divisors (see below), whose sum is σ = 1503667584. Its totient is φ = 626527680.

The previous prime is 1005055189. The next prime is 1005055237. The reversal of 1005055205 is 5025505001.

It is not a de Polignac number, because 1005055205 - 2⁴ = 1005055189 is a prime.

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, 1304882 + ... + 1305651.

It is an arithmetic number, because the mean of its divisors is an integer number (93979224).

Almost surely, 2^1005055205 is an apocalyptic number.

It is an amenable number.

1005055205 is a deficient number, since it is larger than the sum of its proper divisors (498612379).

1005055205 is a wasteful number, since it uses less digits than its factorization.

1005055205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2610556.

The product of its (nonzero) digits is 1250, while the sum is 23.

The square root of 1005055205 is about 31702.6056500093. The cubic root of 1005055205 is about 1001.6822368257.

The spelling of 1005055205 in words is "one billion, five million, fifty-five thousand, two hundred five".