125240108723240 has 64 divisors (see below), whose sum is σ = 322115358821760. Its totient is φ = 42930217186560.

The previous prime is 125240108723209. The next prime is 125240108723243. The reversal of 125240108723240 is 42327801042521.

It is not an unprimeable number, because it can be changed into a prime (125240108723243) 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, 46867751 + ... + 49467830.

It is an arithmetic number, because the mean of its divisors is an integer number (5033052481590).

Almost surely, 2^{125240108723240} is an apocalyptic number.

125240108723240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125240108723240 is an abundant number, since it is smaller than the sum of its proper divisors (196875250098520).

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

125240108723240 is a wasteful number, since it uses less digits than its factorization.

125240108723240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96340242 (or 96340238 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 41.

Adding to 125240108723240 its reverse (42327801042521), we get a palindrome (167567909765761).

The spelling of 125240108723240 in words is "one hundred twenty-five trillion, two hundred forty billion, one hundred eight million, seven hundred twenty-three thousand, two hundred forty".