125532218 has 24 divisors (see below), whose sum is σ = 220209012. Its totient is φ = 53512704.

The previous prime is 125532217. The next prime is 125532263. The reversal of 125532218 is 812235521.

It can be written as a sum of positive squares in 2 ways, for example, as 100060009 + 25472209 = 10003^2 + 5047^2 .

It is not an unprimeable number, because it can be changed into a prime (125532217) 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 11 ways as a sum of consecutive naturals, for example, 15596 + ... + 22232.

Almost surely, 2^125532218 is an apocalyptic number.

125532218 is a deficient number, since it is larger than the sum of its proper divisors (94676794).

125532218 is a wasteful number, since it uses less digits than its factorization.

125532218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6846 (or 6839 counting only the distinct ones).

The product of its digits is 4800, while the sum is 29.

The square root of 125532218 is about 11204.1161186414. The cubic root of 125532218 is about 500.7086192431.

Adding to 125532218 its reverse (812235521), we get a palindrome (937767739).

The spelling of 125532218 in words is "one hundred twenty-five million, five hundred thirty-two thousand, two hundred eighteen".