125045025 has 24 divisors (see below), whose sum is σ = 236276544. Its totient is φ = 57163200.

The previous prime is 125045021. The next prime is 125045027. The reversal of 125045025 is 520540521.

It is a happy number.

It is not a de Polignac number, because 125045025 - 2² = 125045021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 125044986 and 125045004.

It is not an unprimeable number, because it can be changed into a prime (125045021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 118566 + ... + 119615.

It is an arithmetic number, because the mean of its divisors is an integer number (9844856).

Almost surely, 2^125045025 is an apocalyptic number.

125045025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

125045025 is a deficient number, since it is larger than the sum of its proper divisors (111231519).

125045025 is a wasteful number, since it uses less digits than its factorization.

125045025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238201 (or 238196 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 125045025 is about 11182.3532854225. The cubic root of 125045025 is about 500.0600261268.

Adding to 125045025 its reverse (520540521), we get a palindrome (645585546).

The spelling of 125045025 in words is "one hundred twenty-five million, forty-five thousand, twenty-five".