125202225 has 48 divisors (see below), whose sum is σ = 217736064. Its totient is φ = 63360000.

The previous prime is 125202223. The next prime is 125202239. The reversal of 125202225 is 522202521.

It is not a de Polignac number, because 125202225 - 2¹ = 125202223 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125202223) 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 47 ways as a sum of consecutive naturals, for example, 312025 + ... + 312425.

It is an arithmetic number, because the mean of its divisors is an integer number (4536168).

Almost surely, 2^125202225 is an apocalyptic number.

125202225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

125202225 is a deficient number, since it is larger than the sum of its proper divisors (92533839).

125202225 is a wasteful number, since it uses less digits than its factorization.

125202225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 618 (or 613 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 125202225 is about 11189.3800096341. The cubic root of 125202225 is about 500.2694880596.

Adding to 125202225 its reverse (522202521), we get a palindrome (647404746).

The spelling of 125202225 in words is "one hundred twenty-five million, two hundred two thousand, two hundred twenty-five".