125454223125 has 240 divisors, whose sum is σ = 285061151232. Its totient is φ = 51630480000.

The previous prime is 125454223117. The next prime is 125454223127. The reversal of 125454223125 is 521322454521.

125454223125 is a `hidden beast` number, since 12 + 54 + 542 + 2 + 31 + 25 = 666.

It is not a de Polignac number, because 125454223125 - 2³ = 125454223117 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 125454223125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125454223127) by changing a digit.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 46343022 + ... + 46345728.

Almost surely, 2^125454223125 is an apocalyptic number.

125454223125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

125454223125 is an abundant number, since it is smaller than the sum of its proper divisors (159606928107).

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

125454223125 is a wasteful number, since it uses less digits than its factorization.

125454223125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2858 (or 2840 counting only the distinct ones).

The product of its digits is 96000, while the sum is 36.

Adding to 125454223125 its reverse (521322454521), we get a palindrome (646776677646).

The spelling of 125454223125 in words is "one hundred twenty-five billion, four hundred fifty-four million, two hundred twenty-three thousand, one hundred twenty-five".