125217127 has 8 divisors (see below), whose sum is σ = 143279136. Its totient is φ = 107198592.

The previous prime is 125217109. The next prime is 125217143. The reversal of 125217127 is 721712521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 125217127 - 2⁷ = 125216999 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 125217095 and 125217104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125217107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4438 + ... + 16435.

It is an arithmetic number, because the mean of its divisors is an integer number (17909892).

Almost surely, 2^125217127 is an apocalyptic number.

125217127 is a deficient number, since it is larger than the sum of its proper divisors (18062009).

125217127 is an equidigital number, since it uses as much as digits as its factorization.

125217127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21737.

The product of its digits is 1960, while the sum is 28.

The square root of 125217127 is about 11190.0458890927. The cubic root of 125217127 is about 500.2893352046.

Adding to 125217127 its reverse (721712521), we get a palindrome (846929648).

The spelling of 125217127 in words is "one hundred twenty-five million, two hundred seventeen thousand, one hundred twenty-seven".