1170231 has 4 divisors (see below), whose sum is σ = 1560312. Its totient is φ = 780152.

The previous prime is 1170209. The next prime is 1170233. The reversal of 1170231 is 1320711.

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 1170231 - 2⁶ = 1170167 is a prime.

It is a super-2 number, since 2×1170231² = 2738881186722, which contains 22 as substring.

It is a D-number.

It is a plaindrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 1170231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1170233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 195036 + ... + 195041.

It is an arithmetic number, because the mean of its divisors is an integer number (390078).

2^1170231 is an apocalyptic number.

1170231 is a deficient number, since it is larger than the sum of its proper divisors (390081).

1170231 is an equidigital number, since it uses as much as digits as its factorization.

1170231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390080.

The product of its (nonzero) digits is 42, while the sum is 15.

The square root of 1170231 is about 1081.7721571569. The cubic root of 1170231 is about 105.3797586393.

Adding to 1170231 its reverse (1320711), we get a palindrome (2490942).

The spelling of 1170231 in words is "one million, one hundred seventy thousand, two hundred thirty-one".