1085771 has 2 divisors, whose sum is σ = 1085772. Its totient is φ = 1085770.

The previous prime is 1085767. The next prime is 1085779. The reversal of 1085771 is 1775801.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1085771 - 2² = 1085767 is a prime.

It is not a weakly prime, because it can be changed into another prime (1085779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 542885 + 542886.

It is an arithmetic number, because the mean of its divisors is an integer number (542886).

2^1085771 is an apocalyptic number.

1085771 is a deficient number, since it is larger than the sum of its proper divisors (1).

1085771 is an equidigital number, since it uses as much as digits as its factorization.

1085771 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1960, while the sum is 29.

The square root of 1085771 is about 1042.0033589197. The cubic root of 1085771 is about 102.7809780244.

The spelling of 1085771 in words is "one million, eighty-five thousand, seven hundred seventy-one".