125015125240 has 64 divisors (see below), whose sum is σ = 284176488960. Its totient is φ = 49492391040.

The previous prime is 125015125229. The next prime is 125015125243. The reversal of 125015125240 is 42521510521.

It is a junction number, because it is equal to n+sod(n) for n = 125015125199 and 125015125208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125015125243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8178805 + ... + 8194075.

It is an arithmetic number, because the mean of its divisors is an integer number (4440257640).

Almost surely, 2^125015125240 is an apocalyptic number.

125015125240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125015125240 is an abundant number, since it is smaller than the sum of its proper divisors (159161363720).

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

125015125240 is a wasteful number, since it uses less digits than its factorization.

125015125240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17372 (or 17368 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 28.

Adding to 125015125240 its reverse (42521510521), we get a palindrome (167536635761).

The spelling of 125015125240 in words is "one hundred twenty-five billion, fifteen million, one hundred twenty-five thousand, two hundred forty".