125282617 has 4 divisors (see below), whose sum is σ = 125770356. Its totient is φ = 124794880.

The previous prime is 125282609. The next prime is 125282753. The reversal of 125282617 is 716282521.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 120033936 + 5248681 = 10956^2 + 2291^2 .

It is a cyclic number.

It is not a de Polignac number, because 125282617 - 2³ = 125282609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125282317) 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, 243484 + ... + 243997.

It is an arithmetic number, because the mean of its divisors is an integer number (31442589).

Almost surely, 2^125282617 is an apocalyptic number.

It is an amenable number.

125282617 is a deficient number, since it is larger than the sum of its proper divisors (487739).

125282617 is an equidigital number, since it uses as much as digits as its factorization.

125282617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 487738.

The product of its digits is 13440, while the sum is 34.

The square root of 125282617 is about 11192.9717680337. The cubic root of 125282617 is about 500.3765390322.

The spelling of 125282617 in words is "one hundred twenty-five million, two hundred eighty-two thousand, six hundred seventeen".