125032211 has 4 divisors (see below), whose sum is σ = 125367792. Its totient is φ = 124696632.

The previous prime is 125032169. The next prime is 125032223. The reversal of 125032211 is 112230521.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 125032211 - 2⁶ = 125032147 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 125032211.

It is not an unprimeable number, because it can be changed into a prime (125032231) 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, 167231 + ... + 167976.

It is an arithmetic number, because the mean of its divisors is an integer number (31341948).

Almost surely, 2^125032211 is an apocalyptic number.

125032211 is a deficient number, since it is larger than the sum of its proper divisors (335581).

125032211 is an equidigital number, since it uses as much as digits as its factorization.

125032211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335580.

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

The square root of 125032211 is about 11181.7803144222. The cubic root of 125032211 is about 500.0429443115.

Adding to 125032211 its reverse (112230521), we get a palindrome (237262732).

The spelling of 125032211 in words is "one hundred twenty-five million, thirty-two thousand, two hundred eleven".