1000342205 has 4 divisors (see below), whose sum is σ = 1200410652. Its totient is φ = 800273760.

The previous prime is 1000342183. The next prime is 1000342207. The reversal of 1000342205 is 5022430001.

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 351825049 + 648517156 = 18757^2 + 25466^2 .

It is not a de Polignac number, because 1000342205 - 2¹² = 1000338109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000342207) 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, 100034216 + ... + 100034225.

It is an arithmetic number, because the mean of its divisors is an integer number (300102663).

Almost surely, 2^1000342205 is an apocalyptic number.

It is an amenable number.

1000342205 is a deficient number, since it is larger than the sum of its proper divisors (200068447).

1000342205 is an equidigital number, since it uses as much as digits as its factorization.

1000342205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200068446.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 1000342205 is about 31628.1868750012. The cubic root of 1000342205 is about 1000.1140553242.

Adding to 1000342205 its reverse (5022430001), we get a palindrome (6022772206).

The spelling of 1000342205 in words is "one billion, three hundred forty-two thousand, two hundred five".