1075720012 has 12 divisors (see below), whose sum is σ = 1918029456. Its totient is φ = 527711600.

The previous prime is 1075720003. The next prime is 1075720013. The reversal of 1075720012 is 2100275701.

It is a happy number.

It is a super-3 number, since 3×1075720012³ (a number of 28 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1075720013) 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 3 ways as a sum of consecutive naturals, for example, 2536864 + ... + 2537287.

It is an arithmetic number, because the mean of its divisors is an integer number (159835788).

Almost surely, 2^1075720012 is an apocalyptic number.

It is an amenable number.

1075720012 is a deficient number, since it is larger than the sum of its proper divisors (842309444).

1075720012 is a wasteful number, since it uses less digits than its factorization.

1075720012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5074208 (or 5074206 counting only the distinct ones).

The product of its (nonzero) digits is 980, while the sum is 25.

The square root of 1075720012 is about 32798.1708636320. The cubic root of 1075720012 is about 1024.6284632416.

Adding to 1075720012 its reverse (2100275701), we get a palindrome (3175995713).

The spelling of 1075720012 in words is "one billion, seventy-five million, seven hundred twenty thousand, twelve".