1005106 has 4 divisors (see below), whose sum is σ = 1507662. Its totient is φ = 502552.

The previous prime is 1005101. The next prime is 1005107. The reversal of 1005106 is 6015001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 576081 + 429025 = 759^2 + 655^2 .

It is not an unprimeable number, because it can be changed into a prime (1005101) 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 as a sum of consecutive naturals, namely, 251275 + ... + 251278.

2^1005106 is an apocalyptic number.

1005106 is a deficient number, since it is larger than the sum of its proper divisors (502556).

1005106 is an equidigital number, since it uses as much as digits as its factorization.

1005106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502555.

The product of its (nonzero) digits is 30, while the sum is 13.

The square root of 1005106 is about 1002.5497493890. The cubic root of 1005106 is about 100.1699111385.

It can be divided in two parts, 1005 and 106, that added together give a palindrome (1111).

The spelling of 1005106 in words is "one million, five thousand, one hundred six".