125020425 has 12 divisors (see below), whose sum is σ = 206700560. Its totient is φ = 66677520.

The previous prime is 125020417. The next prime is 125020453. The reversal of 125020425 is 524020521.

It is a happy number.

It is not a de Polignac number, because 125020425 - 2³ = 125020417 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 833395 + ... + 833544.

Almost surely, 2^125020425 is an apocalyptic number.

125020425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

125020425 is a deficient number, since it is larger than the sum of its proper divisors (81680135).

125020425 is a wasteful number, since it uses less digits than its factorization.

125020425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1666952 (or 1666947 counting only the distinct ones).

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

The square root of 125020425 is about 11181.2532839570. The cubic root of 125020425 is about 500.0272318502.

Adding to 125020425 its reverse (524020521), we get a palindrome (649040946).

The spelling of 125020425 in words is "one hundred twenty-five million, twenty thousand, four hundred twenty-five".