125306 has 4 divisors (see below), whose sum is σ = 187962. Its totient is φ = 62652.

The previous prime is 125303. The next prime is 125311. The reversal of 125306 is 603521.

125306 is nontrivially palindromic in base 6.

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

It can be written as a sum of positive squares in only one way, i.e., 116281 + 9025 = 341^2 + 95^2 .

It is not an unprimeable number, because it can be changed into a prime (125303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31325 + ... + 31328.

2¹²⁵³⁰⁶ is an apocalyptic number.

125306 is a deficient number, since it is larger than the sum of its proper divisors (62656).

125306 is an equidigital number, since it uses as much as digits as its factorization.

125306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62655.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 125306 is about 353.9858754244. The cubic root of 125306 is about 50.0407667524.

Adding to 125306 its reverse (603521), we get a palindrome (728827).

The spelling of 125306 in words is "one hundred twenty-five thousand, three hundred six".