1162878113 has 2 divisors, whose sum is σ = 1162878114. Its totient is φ = 1162878112.

The previous prime is 1162878077. The next prime is 1162878127. The reversal of 1162878113 is 3118782611.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1133534224 + 29343889 = 33668^2 + 5417^2 .

It is a cyclic number.

It is not a de Polignac number, because 1162878113 - 2⁸ = 1162877857 is a prime.

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 (1162878133) 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 as a sum of consecutive naturals, namely, 581439056 + 581439057.

It is an arithmetic number, because the mean of its divisors is an integer number (581439057).

Almost surely, 2^1162878113 is an apocalyptic number.

It is an amenable number.

1162878113 is a deficient number, since it is larger than the sum of its proper divisors (1).

1162878113 is an equidigital number, since it uses as much as digits as its factorization.

1162878113 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16128, while the sum is 38.

The square root of 1162878113 is about 34100.9987097152. The cubic root of 1162878113 is about 1051.5858464244.

The spelling of 1162878113 in words is "one billion, one hundred sixty-two million, eight hundred seventy-eight thousand, one hundred thirteen".