125404540534120 has 64 divisors (see below), whose sum is σ = 297242253288000. Its totient is φ = 47484680721408.

The previous prime is 125404540534079. The next prime is 125404540534127. The reversal of 125404540534120 is 21435045404521.

It is a super-3 number, since 3×125404540534120³ (a number of 43 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (125404540534127) 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, 63329665 + ... + 65279824.

It is an arithmetic number, because the mean of its divisors is an integer number (4644410207625).

Almost surely, 2^{125404540534120} is an apocalyptic number.

125404540534120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125404540534120 is an abundant number, since it is smaller than the sum of its proper divisors (171837712753880).

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

125404540534120 is a wasteful number, since it uses less digits than its factorization.

125404540534120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128610802 (or 128610798 counting only the distinct ones).

The product of its (nonzero) digits is 384000, while the sum is 40.

Adding to 125404540534120 its reverse (21435045404521), we get a palindrome (146839585938641).

The spelling of 125404540534120 in words is "one hundred twenty-five trillion, four hundred four billion, five hundred forty million, five hundred thirty-four thousand, one hundred twenty".