1005442312 has 16 divisors (see below), whose sum is σ = 2154519360. Its totient is φ = 430903824.

The previous prime is 1005442301. The next prime is 1005442327. The reversal of 1005442312 is 2132445001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8977108 + ... + 8977219.

It is an arithmetic number, because the mean of its divisors is an integer number (134657460).

Almost surely, 2^1005442312 is an apocalyptic number.

It is an amenable number.

1005442312 is an abundant number, since it is smaller than the sum of its proper divisors (1149077048).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1005442312 is a wasteful number, since it uses less digits than its factorization.

1005442312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17954340 (or 17954336 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 1005442312 is about 31708.7103490508. The cubic root of 1005442312 is about 1001.8108229410.

Adding to 1005442312 its reverse (2132445001), we get a palindrome (3137887313).

The spelling of 1005442312 in words is "one billion, five million, four hundred forty-two thousand, three hundred twelve".