125121201 has 8 divisors (see below), whose sum is σ = 167675904. Its totient is φ = 82990320.

The previous prime is 125121169. The next prime is 125121247. The reversal of 125121201 is 102121521.

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

It is not a de Polignac number, because 125121201 - 2⁵ = 125121169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (125121281) 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, 105265 + ... + 106446.

It is an arithmetic number, because the mean of its divisors is an integer number (20959488).

Almost surely, 2^125121201 is an apocalyptic number.

It is an amenable number.

125121201 is a deficient number, since it is larger than the sum of its proper divisors (42554703).

125121201 is a wasteful number, since it uses less digits than its factorization.

125121201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211911.

The product of its (nonzero) digits is 40, while the sum is 15.

The square root of 125121201 is about 11185.7588477492. The cubic root of 125121201 is about 500.1615491315.

Adding to 125121201 its reverse (102121521), we get a palindrome (227242722).

The spelling of 125121201 in words is "one hundred twenty-five million, one hundred twenty-one thousand, two hundred one".