125445027 has 4 divisors (see below), whose sum is σ = 167260040. Its totient is φ = 83630016.

The previous prime is 125445017. The next prime is 125445043. The reversal of 125445027 is 720544521.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 125445027 - 2⁷ = 125444899 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 125444985 and 125445003.

It is not an unprimeable number, because it can be changed into a prime (125445017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20907502 + ... + 20907507.

It is an arithmetic number, because the mean of its divisors is an integer number (41815010).

Almost surely, 2^125445027 is an apocalyptic number.

125445027 is a deficient number, since it is larger than the sum of its proper divisors (41815013).

125445027 is an equidigital number, since it uses as much as digits as its factorization.

125445027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41815012.

The product of its (nonzero) digits is 11200, while the sum is 30.

The square root of 125445027 is about 11200.2244173945. The cubic root of 125445027 is about 500.5926665485.

Adding to 125445027 its reverse (720544521), we get a palindrome (845989548).

It can be divided in two parts, 12544 and 5027, that added together give a palindrome (17571).

The spelling of 125445027 in words is "one hundred twenty-five million, four hundred forty-five thousand, twenty-seven".