1005112 has 8 divisors (see below), whose sum is σ = 1884600. Its totient is φ = 502552.

The previous prime is 1005107. The next prime is 1005131. The reversal of 1005112 is 2115001.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62812 + ... + 62827.

It is an arithmetic number, because the mean of its divisors is an integer number (235575).

2^1005112 is an apocalyptic number.

It is an amenable number.

1005112 is a deficient number, since it is larger than the sum of its proper divisors (879488).

1005112 is a wasteful number, since it uses less digits than its factorization.

1005112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125645 (or 125641 counting only the distinct ones).

The product of its (nonzero) digits is 10, while the sum is 10.

The square root of 1005112 is about 1002.5527417548. The cubic root of 1005112 is about 100.1701104602.

The spelling of 1005112 in words is "one million, five thousand, one hundred twelve".