125051125 has 8 divisors (see below), whose sum is σ = 156063960. Its totient is φ = 100040800.

The previous prime is 125051123. The next prime is 125051131. The reversal of 125051125 is 521150521.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1240996 + 123810129 = 1114^2 + 11127^2 .

It is not a de Polignac number, because 125051125 - 2¹ = 125051123 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 125051096 and 125051105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125051123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 500080 + ... + 500329.

It is an arithmetic number, because the mean of its divisors is an integer number (19507995).

Almost surely, 2^125051125 is an apocalyptic number.

It is an amenable number.

125051125 is a deficient number, since it is larger than the sum of its proper divisors (31012835).

125051125 is an equidigital number, since it uses as much as digits as its factorization.

125051125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000424 (or 1000414 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 22.

The square root of 125051125 is about 11182.6260332714. The cubic root of 125051125 is about 500.0681573754.

The spelling of 125051125 in words is "one hundred twenty-five million, fifty-one thousand, one hundred twenty-five".