1085901 has 4 divisors (see below), whose sum is σ = 1447872. Its totient is φ = 723932.

The previous prime is 1085891. The next prime is 1085911. The reversal of 1085901 is 1095801.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (1085891) and next prime (1085911).

It is a cyclic number.

It is not a de Polignac number, because 1085901 - 2⁹ = 1085389 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1085911) 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, 180981 + ... + 180986.

It is an arithmetic number, because the mean of its divisors is an integer number (361968).

2^1085901 is an apocalyptic number.

It is an amenable number.

1085901 is a deficient number, since it is larger than the sum of its proper divisors (361971).

1085901 is an equidigital number, since it uses as much as digits as its factorization.

1085901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361970.

The product of its (nonzero) digits is 360, while the sum is 24.

The square root of 1085901 is about 1042.0657368900. The cubic root of 1085901 is about 102.7850798697.

The spelling of 1085901 in words is "one million, eighty-five thousand, nine hundred one".