1159049217 has 8 divisors (see below), whose sum is σ = 1561331296. Its totient is φ = 764733312.

The previous prime is 1159049207. The next prime is 1159049237. The reversal of 1159049217 is 7129409511.

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

It is not a de Polignac number, because 1159049217 - 2⁴ = 1159049201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1159049207) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1991203 + ... + 1991784.

It is an arithmetic number, because the mean of its divisors is an integer number (195166412).

Almost surely, 2^1159049217 is an apocalyptic number.

It is an amenable number.

1159049217 is a deficient number, since it is larger than the sum of its proper divisors (402282079).

1159049217 is an equidigital number, since it uses as much as digits as its factorization.

1159049217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3983087.

The product of its (nonzero) digits is 22680, while the sum is 39.

The square root of 1159049217 is about 34044.8118955003. The cubic root of 1159049217 is about 1050.4304257993.

The spelling of 1159049217 in words is "one billion, one hundred fifty-nine million, forty-nine thousand, two hundred seventeen".