125506536 has 16 divisors (see below), whose sum is σ = 313766400.
Its totient is φ = 41835504.
The previous prime is 125506481. The next prime is 125506543. The reversal of 125506536 is 635605521.
It is a junction number, because it is equal to n+sod(n) for n = 125506497 and 125506506.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2614696 + ... + 2614743.
It is an arithmetic number, because the mean of its divisors is an integer number (19610400).
Almost surely, 2125506536 is an apocalyptic number.
It is an amenable number.
125506536 is an abundant number, since it is smaller than the sum of its proper divisors (188259864).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
125506536 is a wasteful number, since it uses less digits than its factorization.
125506536 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5229448 (or 5229444 counting only the distinct ones).
The product of its (nonzero) digits is 27000, while the sum is 33.
The square root of 125506536 is about 11202.9699633624.
The cubic root of 125506536 is about 500.6744711017.
The spelling of 125506536 in words is "one hundred twenty-five million, five hundred six thousand, five hundred thirty-six".