1232143 has 12 divisors (see below), whose sum is σ = 1436400. Its totient is φ = 1052480.

The previous prime is 1232089. The next prime is 1232171. The reversal of 1232143 is 3412321.

It is a happy number.

It is not a de Polignac number, because 1232143 - 2⁹ = 1231631 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1232183) 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 11 ways as a sum of consecutive naturals, for example, 1758 + ... + 2356.

It is an arithmetic number, because the mean of its divisors is an integer number (119700).

2^1232143 is an apocalyptic number.

1232143 is a deficient number, since it is larger than the sum of its proper divisors (204257).

1232143 is a wasteful number, since it uses less digits than its factorization.

1232143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 638 (or 627 counting only the distinct ones).

The product of its digits is 144, while the sum is 16.

The square root of 1232143 is about 1110.0193692004. The cubic root of 1232143 is about 107.2063157618.

Adding to 1232143 its reverse (3412321), we get a palindrome (4644464).

The spelling of 1232143 in words is "one million, two hundred thirty-two thousand, one hundred forty-three".