125027521 has 8 divisors (see below), whose sum is σ = 127440000. Its totient is φ = 122633280.

The previous prime is 125027519. The next prime is 125027569. The reversal of 125027521 is 125720521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 125027521 - 2¹ = 125027519 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125027621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9705 + ... + 18553.

It is an arithmetic number, because the mean of its divisors is an integer number (15930000).

Almost surely, 2^125027521 is an apocalyptic number.

It is an amenable number.

125027521 is a deficient number, since it is larger than the sum of its proper divisors (2412479).

125027521 is an equidigital number, since it uses as much as digits as its factorization.

125027521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9119.

The product of its (nonzero) digits is 1400, while the sum is 25.

The square root of 125027521 is about 11181.5705962982. The cubic root of 125027521 is about 500.0366919740.

The spelling of 125027521 in words is "one hundred twenty-five million, twenty-seven thousand, five hundred twenty-one".