125506625 has 8 divisors (see below), whose sum is σ = 156632424. Its totient is φ = 100405200.

The previous prime is 125506621. The next prime is 125506657. The reversal of 125506625 is 526605521.

It can be written as a sum of positive squares in 4 ways, for example, as 3713329 + 121793296 = 1927^2 + 11036^2 .

It is not a de Polignac number, because 125506625 - 2² = 125506621 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 125506591 and 125506600.

It is not an unprimeable number, because it can be changed into a prime (125506621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 501902 + ... + 502151.

It is an arithmetic number, because the mean of its divisors is an integer number (19579053).

Almost surely, 2^125506625 is an apocalyptic number.

It is an amenable number.

125506625 is a deficient number, since it is larger than the sum of its proper divisors (31125799).

125506625 is an equidigital number, since it uses as much as digits as its factorization.

125506625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1004068 (or 1004058 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 32.

The square root of 125506625 is about 11202.9739355227. The cubic root of 125506625 is about 500.6745894488.

The spelling of 125506625 in words is "one hundred twenty-five million, five hundred six thousand, six hundred twenty-five".