125641625 has 8 divisors (see below), whose sum is σ = 156800904. Its totient is φ = 100513200.

The previous prime is 125641619. The next prime is 125641673. The reversal of 125641625 is 526146521.

It can be written as a sum of positive squares in 4 ways, for example, as 6744409 + 118897216 = 2597^2 + 10904^2 .

It is not a de Polignac number, because 125641625 - 2⁴ = 125641609 is a prime.

It is a super-3 number, since 3×125641625³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 125641591 and 125641600.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 502442 + ... + 502691.

It is an arithmetic number, because the mean of its divisors is an integer number (19600113).

Almost surely, 2^125641625 is an apocalyptic number.

It is an amenable number.

125641625 is a deficient number, since it is larger than the sum of its proper divisors (31159279).

125641625 is an equidigital number, since it uses as much as digits as its factorization.

125641625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1005148 (or 1005138 counting only the distinct ones).

The product of its digits is 14400, while the sum is 32.

The square root of 125641625 is about 11208.9975020070. The cubic root of 125641625 is about 500.8540403994.

The spelling of 125641625 in words is "one hundred twenty-five million, six hundred forty-one thousand, six hundred twenty-five".