1085031047 has 4 divisors (see below), whose sum is σ = 1099894560. Its totient is φ = 1070167536.

The previous prime is 1085031037. The next prime is 1085031061. The reversal of 1085031047 is 7401305801.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7401305801 = 46757 ⋅158293.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1085031047 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 (1085031037) 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 3 ways as a sum of consecutive naturals, for example, 7431647 + ... + 7431792.

It is an arithmetic number, because the mean of its divisors is an integer number (274973640).

Almost surely, 2^1085031047 is an apocalyptic number.

1085031047 is a deficient number, since it is larger than the sum of its proper divisors (14863513).

1085031047 is an equidigital number, since it uses as much as digits as its factorization.

1085031047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14863512.

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 1085031047 is about 32939.8094560366. The cubic root of 1085031047 is about 1027.5762430425.

Adding to 1085031047 its reverse (7401305801), we get a palindrome (8486336848).

The spelling of 1085031047 in words is "one billion, eighty-five million, thirty-one thousand, forty-seven".