125069637479172 has 48 divisors (see below), whose sum is σ = 301244473958400. Its totient is φ = 40344846648480.

The previous prime is 125069637479153. The next prime is 125069637479177. The reversal of 125069637479172 is 271974736960521.

It is a junction number, because it is equal to n+sod(n) for n = 125069637479097 and 125069637479106.

It is not an unprimeable number, because it can be changed into a prime (125069637479177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88069279 + ... + 89478137.

It is an arithmetic number, because the mean of its divisors is an integer number (6275926540800).

Almost surely, 2^{125069637479172} is an apocalyptic number.

125069637479172 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

125069637479172 is an abundant number, since it is smaller than the sum of its proper divisors (176174836479228).

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

125069637479172 is a wasteful number, since it uses less digits than its factorization.

125069637479172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1647536 (or 1647534 counting only the distinct ones).

The product of its (nonzero) digits is 240045120, while the sum is 69.

The spelling of 125069637479172 in words is "one hundred twenty-five trillion, sixty-nine billion, six hundred thirty-seven million, four hundred seventy-nine thousand, one hundred seventy-two".