1045667 has 4 divisors (see below), whose sum is σ = 1195056. Its totient is φ = 896280.

The previous prime is 1045663. The next prime is 1045679. The reversal of 1045667 is 7665401.

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

It is not a de Polignac number, because 1045667 - 2² = 1045663 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1045663) 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, 74684 + ... + 74697.

It is an arithmetic number, because the mean of its divisors is an integer number (298764).

2^1045667 is an apocalyptic number.

1045667 is a deficient number, since it is larger than the sum of its proper divisors (149389).

1045667 is an equidigital number, since it uses as much as digits as its factorization.

1045667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149388.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 1045667 is about 1022.5786033357. The cubic root of 1045667 is about 101.4996319561.

The spelling of 1045667 in words is "one million, forty-five thousand, six hundred sixty-seven".