1172027159 has 2 divisors, whose sum is σ = 1172027160. Its totient is φ = 1172027158.

The previous prime is 1172027113. The next prime is 1172027231. The reversal of 1172027159 is 9517202711.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1172027159 - 2²⁰ = 1170978583 is a prime.

It is a super-2 number, since 2×1172027159² = 2747295322867222562, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1172027359) 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, 586013579 + 586013580.

It is an arithmetic number, because the mean of its divisors is an integer number (586013580).

Almost surely, 2^1172027159 is an apocalyptic number.

1172027159 is a deficient number, since it is larger than the sum of its proper divisors (1).

1172027159 is an equidigital number, since it uses as much as digits as its factorization.

1172027159 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8820, while the sum is 35.

The square root of 1172027159 is about 34234.8821963798. The cubic root of 1172027159 is about 1054.3364601843.

The spelling of 1172027159 in words is "one billion, one hundred seventy-two million, twenty-seven thousand, one hundred fifty-nine".