125350521 has 8 divisors (see below), whose sum is σ = 167239200. Its totient is φ = 83514432.

The previous prime is 125350517. The next prime is 125350523. The reversal of 125350521 is 125053521.

It is a happy number.

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

It is not a de Polignac number, because 125350521 - 2² = 125350517 is a prime.

It is a super-2 number, since 2×125350521² = 31425506229942882, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 125350491 and 125350500.

It is not an unprimeable number, because it can be changed into a prime (125350523) 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, 7200 + ... + 17393.

It is an arithmetic number, because the mean of its divisors is an integer number (20904900).

Almost surely, 2^125350521 is an apocalyptic number.

It is an amenable number.

125350521 is a deficient number, since it is larger than the sum of its proper divisors (41888679).

125350521 is a wasteful number, since it uses less digits than its factorization.

125350521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26295.

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 125350521 is about 11196.0046891737. The cubic root of 125350521 is about 500.4669251594.

The spelling of 125350521 in words is "one hundred twenty-five million, three hundred fifty thousand, five hundred twenty-one".