125132201 has 4 divisors (see below), whose sum is σ = 125156052. Its totient is φ = 125108352.

The previous prime is 125132197. The next prime is 125132209. The reversal of 125132201 is 102231521.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 97042201 + 28090000 = 9851^2 + 5300^2 .

It is a cyclic number.

It is not a de Polignac number, because 125132201 - 2² = 125132197 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 125132201.

It is not an unprimeable number, because it can be changed into a prime (125132209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 236 + ... + 15821.

It is an arithmetic number, because the mean of its divisors is an integer number (31289013).

Almost surely, 2^125132201 is an apocalyptic number.

It is an amenable number.

125132201 is a deficient number, since it is larger than the sum of its proper divisors (23851).

125132201 is an equidigital number, since it uses as much as digits as its factorization.

125132201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23850.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 125132201 is about 11186.2505335792. The cubic root of 125132201 is about 500.1762058957.

Adding to 125132201 its reverse (102231521), we get a palindrome (227363722).

The spelling of 125132201 in words is "one hundred twenty-five million, one hundred thirty-two thousand, two hundred one".