1085851 has 8 divisors (see below), whose sum is σ = 1182384. Its totient is φ = 991200.

The previous prime is 1085827. The next prime is 1085857. The reversal of 1085851 is 1585801.

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

It is a cyclic number.

It is not a de Polignac number, because 1085851 - 2¹⁵ = 1053083 is a prime.

It is a Duffinian number.

It is a plaindrome in base 12.

It is a zygodrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (1085857) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 900 + ... + 1726.

It is an arithmetic number, because the mean of its divisors is an integer number (147798).

2^1085851 is an apocalyptic number.

1085851 is a deficient number, since it is larger than the sum of its proper divisors (96533).

1085851 is a wasteful number, since it uses less digits than its factorization.

1085851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 941.

The product of its (nonzero) digits is 1600, while the sum is 28.

The square root of 1085851 is about 1042.0417458048. The cubic root of 1085851 is about 102.7835022756.

It can be divided in two parts, 1085 and 851, that added together give a square (1936 = 44²).

The spelling of 1085851 in words is "one million, eighty-five thousand, eight hundred fifty-one".