1005231205 has 32 divisors (see below), whose sum is σ = 1369560960. Its totient is φ = 701594880.

The previous prime is 1005231197. The next prime is 1005231229. The reversal of 1005231205 is 5021325001.

It is not a de Polignac number, because 1005231205 - 2³ = 1005231197 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 274114 + ... + 277756.

It is an arithmetic number, because the mean of its divisors is an integer number (42798780).

Almost surely, 2^1005231205 is an apocalyptic number.

It is an amenable number.

1005231205 is a deficient number, since it is larger than the sum of its proper divisors (364329755).

1005231205 is a wasteful number, since it uses less digits than its factorization.

1005231205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3861.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 1005231205 is about 31705.3813255731. The cubic root of 1005231205 is about 1001.7407031943.

Adding to 1005231205 its reverse (5021325001), we get a palindrome (6026556206).

The spelling of 1005231205 in words is "one billion, five million, two hundred thirty-one thousand, two hundred five".