1232123 has 4 divisors (see below), whose sum is σ = 1274640. Its totient is φ = 1189608.

The previous prime is 1232089. The next prime is 1232171. The reversal of 1232123 is 3212321.

It is a happy number.

1232123 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

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 1232123 - 2¹⁰ = 1231099 is a prime.

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

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1232098 and 1232107.

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 (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21215 + ... + 21272.

It is an arithmetic number, because the mean of its divisors is an integer number (318660).

2^1232123 is an apocalyptic number.

1232123 is a deficient number, since it is larger than the sum of its proper divisors (42517).

1232123 is an equidigital number, since it uses as much as digits as its factorization.

1232123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42516.

The product of its digits is 72, while the sum is 14.

The square root of 1232123 is about 1110.0103603120. The cubic root of 1232123 is about 107.2057357052.

Adding to 1232123 its reverse (3212321), we get a palindrome (4444444).

The spelling of 1232123 in words is "one million, two hundred thirty-two thousand, one hundred twenty-three".