1159001971 has 2 divisors, whose sum is σ = 1159001972. Its totient is φ = 1159001970.

The previous prime is 1159001953. The next prime is 1159002029. The reversal of 1159001971 is 1791009511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1159001971 - 2¹³ = 1158993779 is a prime.

It is not a weakly prime, because it can be changed into another prime (1159001951) 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, 579500985 + 579500986.

It is an arithmetic number, because the mean of its divisors is an integer number (579500986).

Almost surely, 2^1159001971 is an apocalyptic number.

1159001971 is a deficient number, since it is larger than the sum of its proper divisors (1).

1159001971 is an equidigital number, since it uses as much as digits as its factorization.

1159001971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2835, while the sum is 34.

The square root of 1159001971 is about 34044.1180088426. The cubic root of 1159001971 is about 1050.4161528045.

The spelling of 1159001971 in words is "one billion, one hundred fifty-nine million, one thousand, nine hundred seventy-one".