1071199159 has 4 divisors (see below), whose sum is σ = 1071463840. Its totient is φ = 1070934480.

The previous prime is 1071199147. The next prime is 1071199177. The reversal of 1071199159 is 9519911701.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1071199159 is a prime.

It is a super-2 number, since 2×1071199159² = 2294935276484614562, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1071199139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 126174 + ... + 134395.

It is an arithmetic number, because the mean of its divisors is an integer number (267865960).

Almost surely, 2^1071199159 is an apocalyptic number.

1071199159 is a deficient number, since it is larger than the sum of its proper divisors (264681).

1071199159 is an equidigital number, since it uses as much as digits as its factorization.

1071199159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264680.

The product of its (nonzero) digits is 25515, while the sum is 43.

The square root of 1071199159 is about 32729.1790150624. The cubic root of 1071199159 is about 1023.1910697016.

The spelling of 1071199159 in words is "one billion, seventy-one million, one hundred ninety-nine thousand, one hundred fifty-nine".