125005210 has 16 divisors (see below), whose sum is σ = 245464992. Its totient is φ = 45456400.

The previous prime is 125005201. The next prime is 125005241. The reversal of 125005210 is 12500521.

It is an unprimeable number.

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, 568096 + ... + 568315.

It is an arithmetic number, because the mean of its divisors is an integer number (15341562).

Almost surely, 2^125005210 is an apocalyptic number.

125005210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125005210 is a deficient number, since it is larger than the sum of its proper divisors (120459782).

125005210 is a wasteful number, since it uses less digits than its factorization.

125005210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1136429.

The product of its (nonzero) digits is 100, while the sum is 16.

The square root of 125005210 is about 11180.5728833544. The cubic root of 125005210 is about 500.0069465702.

Adding to 125005210 its reverse (12500521), we get a palindrome (137505731).

The spelling of 125005210 in words is "one hundred twenty-five million, five thousand, two hundred ten".