1085244829 has 4 divisors (see below), whose sum is σ = 1090753884. Its totient is φ = 1079735776.

The previous prime is 1085244821. The next prime is 1085244841. The reversal of 1085244829 is 9284425801.

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

It can be written as a sum of positive squares in 2 ways, for example, as 965779929 + 119464900 = 31077^2 + 10930^2 .

It is a cyclic number.

It is not a de Polignac number, because 1085244829 - 2³ = 1085244821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1085244821) 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, 2754232 + ... + 2754625.

It is an arithmetic number, because the mean of its divisors is an integer number (272688471).

Almost surely, 2^1085244829 is an apocalyptic number.

It is an amenable number.

1085244829 is a deficient number, since it is larger than the sum of its proper divisors (5509055).

1085244829 is an equidigital number, since it uses as much as digits as its factorization.

1085244829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5509054.

The product of its (nonzero) digits is 184320, while the sum is 43.

The square root of 1085244829 is about 32943.0543362330. The cubic root of 1085244829 is about 1027.6437258668.

The spelling of 1085244829 in words is "one billion, eighty-five million, two hundred forty-four thousand, eight hundred twenty-nine".