1045906 has 8 divisors (see below), whose sum is σ = 1594764. Its totient is φ = 514320.

The previous prime is 1045903. The next prime is 1045907. The reversal of 1045906 is 6095401.

It can be written as a sum of positive squares in 2 ways, for example, as 893025 + 152881 = 945^2 + 391^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1045903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4165 + ... + 4408.

2^1045906 is an apocalyptic number.

1045906 is a deficient number, since it is larger than the sum of its proper divisors (548858).

1045906 is an equidigital number, since it uses as much as digits as its factorization.

1045906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8636.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 1045906 is about 1022.6954580910. The cubic root of 1045906 is about 101.5073643617.

The spelling of 1045906 in words is "one million, forty-five thousand, nine hundred six".