1012105 has 8 divisors (see below), whose sum is σ = 1232064. Its totient is φ = 798000.

The previous prime is 1012103. The next prime is 1012133. The reversal of 1012105 is 5012101.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1012105 - 2¹ = 1012103 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1012091 and 1012100.

It is not an unprimeable number, because it can be changed into a prime (1012103) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 1071 + ... + 1780.

It is an arithmetic number, because the mean of its divisors is an integer number (154008).

2^1012105 is an apocalyptic number.

It is an amenable number.

1012105 is a deficient number, since it is larger than the sum of its proper divisors (219959).

1012105 is an equidigital number, since it uses as much as digits as its factorization.

1012105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2927.

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

The square root of 1012105 is about 1006.0342936501. The cubic root of 1012105 is about 100.4018827390.

Adding to 1012105 its reverse (5012101), we get a palindrome (6024206).

The spelling of 1012105 in words is "one million, twelve thousand, one hundred five".