1045851 has 4 divisors (see below), whose sum is σ = 1394472. Its totient is φ = 697232.

The previous prime is 1045841. The next prime is 1045859. The reversal of 1045851 is 1585401.

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

It is a cyclic number.

It is not a de Polignac number, because 1045851 - 2⁵ = 1045819 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (1045859) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 174306 + ... + 174311.

It is an arithmetic number, because the mean of its divisors is an integer number (348618).

2^1045851 is an apocalyptic number.

1045851 is a deficient number, since it is larger than the sum of its proper divisors (348621).

1045851 is an equidigital number, since it uses as much as digits as its factorization.

1045851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348620.

The product of its (nonzero) digits is 800, while the sum is 24.

The square root of 1045851 is about 1022.6685680121. The cubic root of 1045851 is about 101.5055850422.

The spelling of 1045851 in words is "one million, forty-five thousand, eight hundred fifty-one".