125142136120 has 64 divisors (see below), whose sum is σ = 293921187840. Its totient is φ = 47862672000.

The previous prime is 125142136103. The next prime is 125142136121. The reversal of 125142136120 is 21631241521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125142136121) 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, 2599065 + ... + 2646775.

It is an arithmetic number, because the mean of its divisors is an integer number (4592518560).

Almost surely, 2^125142136120 is an apocalyptic number.

125142136120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125142136120 is an abundant number, since it is smaller than the sum of its proper divisors (168779051720).

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

125142136120 is a wasteful number, since it uses less digits than its factorization.

125142136120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50596 (or 50592 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

Adding to 125142136120 its reverse (21631241521), we get a palindrome (146773377641).

The spelling of 125142136120 in words is "one hundred twenty-five billion, one hundred forty-two million, one hundred thirty-six thousand, one hundred twenty".