1168231 has 2 divisors, whose sum is σ = 1168232. Its totient is φ = 1168230.

The previous prime is 1168187. The next prime is 1168241. The reversal of 1168231 is 1328611.

It is a strong prime.

It is an emirp because it is prime and its reverse (1328611) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1168231 - 2¹³ = 1160039 is a prime.

It is a super-2 number, since 2×1168231² = 2729527338722, which contains 22 as substring.

1168231 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1168241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 584115 + 584116.

It is an arithmetic number, because the mean of its divisors is an integer number (584116).

2^1168231 is an apocalyptic number.

1168231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1168231 is an equidigital number, since it uses as much as digits as its factorization.

1168231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 288, while the sum is 22.

The square root of 1168231 is about 1080.8473527747. The cubic root of 1168231 is about 105.3196908127.

The spelling of 1168231 in words is "one million, one hundred sixty-eight thousand, two hundred thirty-one".