1085031217 has 8 divisors (see below), whose sum is σ = 1138395392. Its totient is φ = 1032814800.

The previous prime is 1085031209. The next prime is 1085031229. The reversal of 1085031217 is 7121305801.

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 1085031217 - 2³ = 1085031209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1085031287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 285003 + ... + 288784.

It is an arithmetic number, because the mean of its divisors is an integer number (142299424).

Almost surely, 2^1085031217 is an apocalyptic number.

It is an amenable number.

1085031217 is a deficient number, since it is larger than the sum of its proper divisors (53364175).

1085031217 is an equidigital number, since it uses as much as digits as its factorization.

1085031217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 573879.

The product of its (nonzero) digits is 1680, while the sum is 28.

The square root of 1085031217 is about 32939.8120365008. The cubic root of 1085031217 is about 1027.5762967086.

The spelling of 1085031217 in words is "one billion, eighty-five million, thirty-one thousand, two hundred seventeen".