125121040230 has 64 divisors (see below), whose sum is σ = 318375645120. Its totient is φ = 31361347584.

The previous prime is 125121040153. The next prime is 125121040237. The reversal of 125121040230 is 32040121521.

It is a junction number, because it is equal to n+sod(n) for n = 125121040197 and 125121040206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125121040237) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 224026 + ... + 548114.

It is an arithmetic number, because the mean of its divisors is an integer number (4974619455).

Almost surely, 2^125121040230 is an apocalyptic number.

125121040230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 125121040230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159187822560).

125121040230 is an abundant number, since it is smaller than the sum of its proper divisors (193254604890).

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

125121040230 is a wasteful number, since it uses less digits than its factorization.

125121040230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324873.

The product of its (nonzero) digits is 480, while the sum is 21.

Adding to 125121040230 its reverse (32040121521), we get a palindrome (157161161751).

The spelling of 125121040230 in words is "one hundred twenty-five billion, one hundred twenty-one million, forty thousand, two hundred thirty".