1085059669 has 8 divisors (see below), whose sum is σ = 1115087960. Its totient is φ = 1055068416.

The previous prime is 1085059667. The next prime is 1085059687. The reversal of 1085059669 is 9669505801.

It can be written as a sum of positive squares in 4 ways, for example, as 157126225 + 927933444 = 12535^2 + 30462^2 .

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 1085059669 - 2¹ = 1085059667 is a prime.

It is a super-2 number, since 2×1085059669² = 2354708970580779122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1085059667) 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 7 ways as a sum of consecutive naturals, for example, 56497 + ... + 73225.

It is an arithmetic number, because the mean of its divisors is an integer number (139385995).

Almost surely, 2^1085059669 is an apocalyptic number.

It is an amenable number.

1085059669 is a deficient number, since it is larger than the sum of its proper divisors (30028291).

1085059669 is a wasteful number, since it uses less digits than its factorization.

1085059669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18519.

The product of its (nonzero) digits is 583200, while the sum is 49.

The square root of 1085059669 is about 32940.2439122724. The cubic root of 1085059669 is about 1027.5852784302.

The spelling of 1085059669 in words is "one billion, eighty-five million, fifty-nine thousand, six hundred sixty-nine".