1185231 has 8 divisors (see below), whose sum is σ = 1585584. Its totient is φ = 787520.

The previous prime is 1185181. The next prime is 1185241. The reversal of 1185231 is 1325811.

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 1185231 - 2⁷ = 1185103 is a prime.

It is a super-2 number, since 2×1185231² = 2809545046722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1185198 and 1185207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1185241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 955 + ... + 1811.

It is an arithmetic number, because the mean of its divisors is an integer number (198198).

2^1185231 is an apocalyptic number.

1185231 is a deficient number, since it is larger than the sum of its proper divisors (400353).

1185231 is an equidigital number, since it uses as much as digits as its factorization.

1185231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1321.

The product of its digits is 240, while the sum is 21.

The square root of 1185231 is about 1088.6831494976. The cubic root of 1185231 is about 105.8281004019.

The spelling of 1185231 in words is "one million, one hundred eighty-five thousand, two hundred thirty-one".