1045605 has 16 divisors (see below), whose sum is σ = 1825344. Its totient is φ = 506880.

The previous prime is 1045573. The next prime is 1045607. The reversal of 1045605 is 5065401.

It is a happy number.

It is not a de Polignac number, because 1045605 - 2⁵ = 1045573 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1045607) 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 15 ways as a sum of consecutive naturals, for example, 3004 + ... + 3333.

It is an arithmetic number, because the mean of its divisors is an integer number (114084).

2^1045605 is an apocalyptic number.

1045605 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1045605 is a deficient number, since it is larger than the sum of its proper divisors (779739).

1045605 is a wasteful number, since it uses less digits than its factorization.

1045605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6356.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 1045605 is about 1022.5482873684. The cubic root of 1045605 is about 101.4976258676.

The spelling of 1045605 in words is "one million, forty-five thousand, six hundred five".