1230231 has 16 divisors (see below), whose sum is σ = 1751040. Its totient is φ = 766080.

The previous prime is 1230227. The next prime is 1230233. The reversal of 1230231 is 1320321.

It is a happy number.

It is not a de Polignac number, because 1230231 - 2² = 1230227 is a prime.

It is a super-2 number, since 2×1230231² = 3026936626722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230233) 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 15 ways as a sum of consecutive naturals, for example, 6346 + ... + 6536.

It is an arithmetic number, because the mean of its divisors is an integer number (109440).

2^1230231 is an apocalyptic number.

1230231 is a deficient number, since it is larger than the sum of its proper divisors (520809).

1230231 is a wasteful number, since it uses less digits than its factorization.

1230231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 1230231 is about 1109.1577885946. The cubic root of 1230231 is about 107.1508339458.

Adding to 1230231 its reverse (1320321), we get a palindrome (2550552).

The spelling of 1230231 in words is "one million, two hundred thirty thousand, two hundred thirty-one".