125123143404 has 192 divisors, whose sum is σ = 341957790720. Its totient is φ = 34875187200.

The previous prime is 125123143339. The next prime is 125123143451. The reversal of 125123143404 is 404341321521.

125123143404 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 305924352 + ... + 305924760.

It is an arithmetic number, because the mean of its divisors is an integer number (1781030160).

Almost surely, 2^125123143404 is an apocalyptic number.

125123143404 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 125123143404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (170978895360).

125123143404 is an abundant number, since it is smaller than the sum of its proper divisors (216834647316).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

125123143404 is a wasteful number, since it uses less digits than its factorization.

125123143404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 968 (or 966 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 125123143404 its reverse (404341321521), we get a palindrome (529464464925).

The spelling of 125123143404 in words is "one hundred twenty-five billion, one hundred twenty-three million, one hundred forty-three thousand, four hundred four".