1075443161 has 12 divisors (see below), whose sum is σ = 1192944060. Its totient is φ = 968497920.

The previous prime is 1075443121. The next prime is 1075443167. The reversal of 1075443161 is 1613445701.

It can be written as a sum of positive squares in 6 ways, for example, as 801739225 + 273703936 = 28315^2 + 16544^2 .

It is not a de Polignac number, because 1075443161 - 2²⁶ = 1008334297 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1075443167) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 70676 + ... + 84533.

It is an arithmetic number, because the mean of its divisors is an integer number (99412005).

Almost surely, 2^1075443161 is an apocalyptic number.

It is an amenable number.

1075443161 is a deficient number, since it is larger than the sum of its proper divisors (117500899).

1075443161 is a wasteful number, since it uses less digits than its factorization.

1075443161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155276 (or 155263 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 1075443161 is about 32793.9500670474. The cubic root of 1075443161 is about 1024.5405550653.

Adding to 1075443161 its reverse (1613445701), we get a palindrome (2688888862).

The spelling of 1075443161 in words is "one billion, seventy-five million, four hundred forty-three thousand, one hundred sixty-one".