125005306 has 16 divisors (see below), whose sum is σ = 192844800. Its totient is φ = 60747808.

The previous prime is 125005303. The next prime is 125005337. The reversal of 125005306 is 603500521.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (125005303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4551 + ... + 16453.

It is an arithmetic number, because the mean of its divisors is an integer number (12052800).

Almost surely, 2^125005306 is an apocalyptic number.

125005306 is a deficient number, since it is larger than the sum of its proper divisors (67839494).

125005306 is a wasteful number, since it uses less digits than its factorization.

125005306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12053.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 125005306 is about 11180.5771765146. The cubic root of 125005306 is about 500.0070745666.

Adding to 125005306 its reverse (603500521), we get a palindrome (728505827).

The spelling of 125005306 in words is "one hundred twenty-five million, five thousand, three hundred six".