1159211 has 4 divisors (see below), whose sum is σ = 1162800. Its totient is φ = 1155624.

The previous prime is 1159201. The next prime is 1159229. The reversal of 1159211 is 1129511.

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

It is a cyclic number.

It is not a de Polignac number, because 1159211 - 2¹⁰ = 1158187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1159201) 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, 1256 + ... + 1973.

It is an arithmetic number, because the mean of its divisors is an integer number (290700).

2^1159211 is an apocalyptic number.

1159211 is the 482-nd centered decagonal number.

1159211 is a deficient number, since it is larger than the sum of its proper divisors (3589).

1159211 is an equidigital number, since it uses as much as digits as its factorization.

1159211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3588.

The product of its digits is 90, while the sum is 20.

The square root of 1159211 is about 1076.6666150671. Note that the first 4 decimals coincide. The cubic root of 1159211 is about 105.0479297431.

The spelling of 1159211 in words is "one million, one hundred fifty-nine thousand, two hundred eleven".