1130403161 has 2 divisors, whose sum is σ = 1130403162. Its totient is φ = 1130403160.

The previous prime is 1130403143. The next prime is 1130403173. The reversal of 1130403161 is 1613040311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 595360000 + 535043161 = 24400^2 + 23131^2 .

It is a cyclic number.

It is not a de Polignac number, because 1130403161 - 2⁶ = 1130403097 is a prime.

It is a super-3 number, since 3×1130403161³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1130403181) 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 as a sum of consecutive naturals, namely, 565201580 + 565201581.

It is an arithmetic number, because the mean of its divisors is an integer number (565201581).

Almost surely, 2^1130403161 is an apocalyptic number.

It is an amenable number.

1130403161 is a deficient number, since it is larger than the sum of its proper divisors (1).

1130403161 is an equidigital number, since it uses as much as digits as its factorization.

1130403161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 1130403161 is about 33621.4687513797. The cubic root of 1130403161 is about 1041.7042941444.

Adding to 1130403161 its reverse (1613040311), we get a palindrome (2743443472).

The spelling of 1130403161 in words is "one billion, one hundred thirty million, four hundred three thousand, one hundred sixty-one".