424512100125 has 56 divisors (see below), whose sum is σ = 794323453560. Its totient is φ = 226406404800.

The previous prime is 424512100079. The next prime is 424512100127. The reversal of 424512100125 is 521001215424.

It is a happy number.

424512100125 is a `hidden beast` number, since 4 + 24 + 512 + 1 + 0 + 0 + 125 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 328225689 + 424183874436 = 18117^2 + 651294^2 .

It is not a de Polignac number, because 424512100125 - 2¹⁴ = 424512083741 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424512100127) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 2238160 + ... + 2420409.

It is an arithmetic number, because the mean of its divisors is an integer number (14184347385).

Almost surely, 2^424512100125 is an apocalyptic number.

424512100125 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

424512100125 is a deficient number, since it is larger than the sum of its proper divisors (369811353435).

424512100125 is an frugal number, since it uses more digits than its factorization.

424512100125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4658602 (or 4658577 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

Adding to 424512100125 its reverse (521001215424), we get a palindrome (945513315549).

The spelling of 424512100125 in words is "four hundred twenty-four billion, five hundred twelve million, one hundred thousand, one hundred twenty-five".