125135529120 has 576 divisors, whose sum is σ = 515823759360. Its totient is φ = 26985830400.

The previous prime is 125135529083. The next prime is 125135529121. The reversal of 125135529120 is 21925531521.

125135529120 is a `hidden beast` number, since 1 + 2 + 5 + 1 + 3 + 5 + 529 + 120 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (125135529121) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 51900715 + ... + 51903125.

It is an arithmetic number, because the mean of its divisors is an integer number (895527360).

Almost surely, 2^125135529120 is an apocalyptic number.

125135529120 is a gapful number since it is divisible by the number (10) 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 125135529120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (257911879680).

125135529120 is an abundant number, since it is smaller than the sum of its proper divisors (390688230240).

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

125135529120 is a wasteful number, since it uses less digits than its factorization.

125135529120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2729 (or 2718 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 36.

The spelling of 125135529120 in words is "one hundred twenty-five billion, one hundred thirty-five million, five hundred twenty-nine thousand, one hundred twenty".