1127161517 has 2 divisors, whose sum is σ = 1127161518. Its totient is φ = 1127161516.

The previous prime is 1127161513. The next prime is 1127161543. The reversal of 1127161517 is 7151617211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 901140361 + 226021156 = 30019^2 + 15034^2 .

It is a cyclic number.

It is not a de Polignac number, because 1127161517 - 2² = 1127161513 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1127161513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 563580758 + 563580759.

It is an arithmetic number, because the mean of its divisors is an integer number (563580759).

Almost surely, 2^1127161517 is an apocalyptic number.

It is an amenable number.

1127161517 is a deficient number, since it is larger than the sum of its proper divisors (1).

1127161517 is an equidigital number, since it uses as much as digits as its factorization.

1127161517 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2940, while the sum is 32.

The square root of 1127161517 is about 33573.2261929056. The cubic root of 1127161517 is about 1040.7075796839.

Adding to 1127161517 its reverse (7151617211), we get a palindrome (8278778728).

The spelling of 1127161517 in words is "one billion, one hundred twenty-seven million, one hundred sixty-one thousand, five hundred seventeen".