1169640127 has 2 divisors, whose sum is σ = 1169640128. Its totient is φ = 1169640126.

The previous prime is 1169640097. The next prime is 1169640139. The reversal of 1169640127 is 7210469611.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1169640127 is a prime.

It is a super-2 number, since 2×1169640127² = 2736116053377152258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1169640727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 584820063 + 584820064.

It is an arithmetic number, because the mean of its divisors is an integer number (584820064).

Almost surely, 2^1169640127 is an apocalyptic number.

1169640127 is a deficient number, since it is larger than the sum of its proper divisors (1).

1169640127 is an equidigital number, since it uses as much as digits as its factorization.

1169640127 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 1169640127 is about 34200.0018567251. The cubic root of 1169640127 is about 1053.6201953857.

The spelling of 1169640127 in words is "one billion, one hundred sixty-nine million, six hundred forty thousand, one hundred twenty-seven".