125120025 has 24 divisors (see below), whose sum is σ = 229851360. Its totient is φ = 66730320.

The previous prime is 125120011. The next prime is 125120077. The reversal of 125120025 is 520021521.

It is not a de Polignac number, because 125120025 - 2⁶ = 125119961 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 92007 + ... + 93356.

It is an arithmetic number, because the mean of its divisors is an integer number (9577140).

Almost surely, 2^125120025 is an apocalyptic number.

125120025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

125120025 is a deficient number, since it is larger than the sum of its proper divisors (104731335).

125120025 is a wasteful number, since it uses less digits than its factorization.

125120025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185382 (or 185371 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 125120025 is about 11185.7062807853. The cubic root of 125120025 is about 500.1599821393.

Adding to 125120025 its reverse (520021521), we get a palindrome (645141546).

The spelling of 125120025 in words is "one hundred twenty-five million, one hundred twenty thousand, twenty-five".