1075719985 has 16 divisors (see below), whose sum is σ = 1298610000. Its totient is φ = 855429120.

The previous prime is 1075719947. The next prime is 1075719991. The reversal of 1075719985 is 5899175701.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 156175009 + 919544976 = 12497^2 + 30324^2 .

It is not a de Polignac number, because 1075719985 - 2⁷ = 1075719857 is a prime.

It is a super-2 number, since 2×1075719985² = 2314346972256800450, which contains 22 as substring.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 860641 + ... + 861889.

It is an arithmetic number, because the mean of its divisors is an integer number (81163125).

Almost surely, 2^1075719985 is an apocalyptic number.

It is an amenable number.

1075719985 is a deficient number, since it is larger than the sum of its proper divisors (222890015).

1075719985 is a wasteful number, since it uses less digits than its factorization.

1075719985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2148.

The product of its (nonzero) digits is 793800, while the sum is 52.

The square root of 1075719985 is about 32798.1704520237. The cubic root of 1075719985 is about 1024.6284546691.

The spelling of 1075719985 in words is "one billion, seventy-five million, seven hundred nineteen thousand, nine hundred eighty-five".