1040851 has 4 divisors (see below), whose sum is σ = 1189552. Its totient is φ = 892152.

The previous prime is 1040833. The next prime is 1040857. The reversal of 1040851 is 1580401.

1040851 = 414² + 415² + ... + 419².

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 1040851 - 2⁹ = 1040339 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1040857) 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, 74340 + ... + 74353.

It is an arithmetic number, because the mean of its divisors is an integer number (297388).

2^1040851 is an apocalyptic number.

1040851 is a deficient number, since it is larger than the sum of its proper divisors (148701).

1040851 is an equidigital number, since it uses as much as digits as its factorization.

1040851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148700.

The product of its (nonzero) digits is 160, while the sum is 19.

The square root of 1040851 is about 1020.2210544779. The cubic root of 1040851 is about 101.3435674201.

It can be divided in two parts, 1040 and 851, that added together give a triangular number (1891 = T₆₁).

The spelling of 1040851 in words is "one million, forty thousand, eight hundred fifty-one".