125121025330 has 64 divisors (see below), whose sum is σ = 261669814272. Its totient is φ = 42187780800.

The previous prime is 125121025327. The next prime is 125121025357. The reversal of 125121025330 is 33520121521.

It is a junction number, because it is equal to n+sod(n) for n = 125121025295 and 125121025304.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2824855 + ... + 2868805.

It is an arithmetic number, because the mean of its divisors is an integer number (4088590848).

Almost surely, 2^125121025330 is an apocalyptic number.

125121025330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125121025330 is an abundant number, since it is smaller than the sum of its proper divisors (136548788942).

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

125121025330 is a wasteful number, since it uses less digits than its factorization.

125121025330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44639.

The product of its (nonzero) digits is 1800, while the sum is 25.

Adding to 125121025330 its reverse (33520121521), we get a palindrome (158641146851).

The spelling of 125121025330 in words is "one hundred twenty-five billion, one hundred twenty-one million, twenty-five thousand, three hundred thirty".