125028225 has 96 divisors (see below), whose sum is σ = 268554240. Its totient is φ = 55840320.

The previous prime is 125028199. The next prime is 125028259. The reversal of 125028225 is 522820521.

It is not a de Polignac number, because 125028225 - 2⁹ = 125027713 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 221794 + ... + 222356.

It is an arithmetic number, because the mean of its divisors is an integer number (2797440).

Almost surely, 2^125028225 is an apocalyptic number.

125028225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

125028225 is an abundant number, since it is smaller than the sum of its proper divisors (143526015).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

125028225 is a wasteful number, since it uses less digits than its factorization.

125028225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 636 (or 625 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

The square root of 125028225 is about 11181.6020766257. The cubic root of 125028225 is about 500.0376305012.

Adding to 125028225 its reverse (522820521), we get a palindrome (647848746).

The spelling of 125028225 in words is "one hundred twenty-five million, twenty-eight thousand, two hundred twenty-five".