1000044205 has 4 divisors (see below), whose sum is σ = 1200053052. Its totient is φ = 800035360.

The previous prime is 1000044197. The next prime is 1000044223. The reversal of 1000044205 is 5024400001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5024400001 = 7687 ⋅653623.

It can be written as a sum of positive squares in 2 ways, for example, as 591559684 + 408484521 = 24322^2 + 20211^2 .

It is not a de Polignac number, because 1000044205 - 2³ = 1000044197 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 3 ways as a sum of consecutive naturals, for example, 100004416 + ... + 100004425.

It is an arithmetic number, because the mean of its divisors is an integer number (300013263).

Almost surely, 2^1000044205 is an apocalyptic number.

It is an amenable number.

1000044205 is a deficient number, since it is larger than the sum of its proper divisors (200008847).

1000044205 is an equidigital number, since it uses as much as digits as its factorization.

1000044205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200008846.

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 1000044205 is about 31623.4755363796. The cubic root of 1000044205 is about 1000.0147347829.

Adding to 1000044205 its reverse (5024400001), we get a palindrome (6024444206).

The spelling of 1000044205 in words is "one billion, forty-four thousand, two hundred five".