125150221 has 8 divisors (see below), whose sum is σ = 143229824. Its totient is φ = 107120880.

The previous prime is 125150213. The next prime is 125150261. The reversal of 125150221 is 122051521.

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 125150221 - 2³ = 125150213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125150261) 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, 7065 + ... + 17326.

It is an arithmetic number, because the mean of its divisors is an integer number (17903728).

Almost surely, 2^125150221 is an apocalyptic number.

It is an amenable number.

125150221 is a deficient number, since it is larger than the sum of its proper divisors (18079603).

125150221 is an equidigital number, since it uses as much as digits as its factorization.

125150221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25131.

The product of its (nonzero) digits is 200, while the sum is 19.

The square root of 125150221 is about 11187.0559576682. The cubic root of 125150221 is about 500.2002144843.

The spelling of 125150221 in words is "one hundred twenty-five million, one hundred fifty thousand, two hundred twenty-one".