125455225 has 48 divisors (see below), whose sum is σ = 188559360. Its totient is φ = 80942400.

The previous prime is 125455219. The next prime is 125455229. The reversal of 125455225 is 522554521.

It is a happy number.

It is not a de Polignac number, because 125455225 - 2¹¹ = 125453177 is a prime.

It is not an unprimeable number, because it can be changed into a prime (125455229) 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, 285556 + ... + 285994.

It is an arithmetic number, because the mean of its divisors is an integer number (3928320).

Almost surely, 2^125455225 is an apocalyptic number.

It is an amenable number.

125455225 is a deficient number, since it is larger than the sum of its proper divisors (63104135).

125455225 is a wasteful number, since it uses less digits than its factorization.

125455225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550 (or 545 counting only the distinct ones).

The product of its digits is 20000, while the sum is 31.

The square root of 125455225 is about 11200.6796668774. The cubic root of 125455225 is about 500.6062313367.

The spelling of 125455225 in words is "one hundred twenty-five million, four hundred fifty-five thousand, two hundred twenty-five".