125032217 has 4 divisors (see below), whose sum is σ = 131612880. Its totient is φ = 118451556.

The previous prime is 125032169. The next prime is 125032223. The reversal of 125032217 is 712230521.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 712230521 = 17 ⋅41895913.

It is a cyclic number.

It is not a de Polignac number, because 125032217 - 2⁶ = 125032153 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 125032192 and 125032201.

It is not an unprimeable number, because it can be changed into a prime (125032277) 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 3 ways as a sum of consecutive naturals, for example, 3290303 + ... + 3290340.

It is an arithmetic number, because the mean of its divisors is an integer number (32903220).

Almost surely, 2^125032217 is an apocalyptic number.

It is an amenable number.

125032217 is a deficient number, since it is larger than the sum of its proper divisors (6580663).

125032217 is an equidigital number, since it uses as much as digits as its factorization.

125032217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6580662.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 125032217 is about 11181.7805827158. The cubic root of 125032217 is about 500.0429523101.

Adding to 125032217 its reverse (712230521), we get a palindrome (837262738).

The spelling of 125032217 in words is "one hundred twenty-five million, thirty-two thousand, two hundred seventeen".