125032521 has 8 divisors (see below), whose sum is σ = 175484320. Its totient is φ = 78967872.

The previous prime is 125032511. The next prime is 125032529. The reversal of 125032521 is 125230521.

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

It is not a de Polignac number, because 125032521 - 2⁵ = 125032489 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (125032529) 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, 1096720 + ... + 1096833.

It is an arithmetic number, because the mean of its divisors is an integer number (21935540).

Almost surely, 2^125032521 is an apocalyptic number.

It is an amenable number.

125032521 is a deficient number, since it is larger than the sum of its proper divisors (50451799).

125032521 is a wasteful number, since it uses less digits than its factorization.

125032521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2193575.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 125032521 is about 11181.7941762492. The cubic root of 125032521 is about 500.0433575735.

The spelling of 125032521 in words is "one hundred twenty-five million, thirty-two thousand, five hundred twenty-one".