1232125123 has 16 divisors (see below), whose sum is σ = 1285060896. Its totient is φ = 1180327680.

The previous prime is 1232125121. The next prime is 1232125127. The reversal of 1232125123 is 3215212321.

It is a cyclic number.

It is not a de Polignac number, because 1232125123 - 2¹ = 1232125121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1232125094 and 1232125103.

It is not an unprimeable number, because it can be changed into a prime (1232125121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1292415 + ... + 1293367.

It is an arithmetic number, because the mean of its divisors is an integer number (80316306).

Almost surely, 2^1232125123 is an apocalyptic number.

1232125123 is a deficient number, since it is larger than the sum of its proper divisors (52935773).

1232125123 is an equidigital number, since it uses as much as digits as its factorization.

1232125123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1494.

The product of its digits is 720, while the sum is 22.

The square root of 1232125123 is about 35101.6398904667. The cubic root of 1232125123 is about 1072.0579727851.

Adding to 1232125123 its reverse (3215212321), we get a palindrome (4447337444).

The spelling of 1232125123 in words is "one billion, two hundred thirty-two million, one hundred twenty-five thousand, one hundred twenty-three".