1159291205 has 8 divisors (see below), whose sum is σ = 1392054552. Its totient is φ = 926829568.

The previous prime is 1159291169. The next prime is 1159291229. The reversal of 1159291205 is 5021929511.

It can be written as a sum of positive squares in 4 ways, for example, as 71808676 + 1087482529 = 8474^2 + 32977^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1159291205 - 2¹⁸ = 1159029061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66884 + ... + 82413.

It is an arithmetic number, because the mean of its divisors is an integer number (174006819).

Almost surely, 2^1159291205 is an apocalyptic number.

It is an amenable number.

1159291205 is a deficient number, since it is larger than the sum of its proper divisors (232763347).

1159291205 is a wasteful number, since it uses less digits than its factorization.

1159291205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150855.

The product of its (nonzero) digits is 8100, while the sum is 35.

The square root of 1159291205 is about 34048.3656729659. The cubic root of 1159291205 is about 1050.5035241820.

The spelling of 1159291205 in words is "one billion, one hundred fifty-nine million, two hundred ninety-one thousand, two hundred five".