125143432 has 16 divisors (see below), whose sum is σ = 236722140. Its totient is φ = 62017536.

The previous prime is 125143427. The next prime is 125143433. The reversal of 125143432 is 234341521.

It can be written as a sum of positive squares in 2 ways, for example, as 124858276 + 285156 = 11174^2 + 534^2 .

It is a junction number, because it is equal to n+sod(n) for n = 125143397 and 125143406.

It is not an unprimeable number, because it can be changed into a prime (125143433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68313 + ... + 70120.

Almost surely, 2^125143432 is an apocalyptic number.

It is an amenable number.

125143432 is a deficient number, since it is larger than the sum of its proper divisors (111578708).

125143432 is a wasteful number, since it uses less digits than its factorization.

125143432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138552 (or 138548 counting only the distinct ones).

The product of its digits is 2880, while the sum is 25.

The square root of 125143432 is about 11186.7525225152. The cubic root of 125143432 is about 500.1911695657.

Adding to 125143432 its reverse (234341521), we get a palindrome (359484953).

The spelling of 125143432 in words is "one hundred twenty-five million, one hundred forty-three thousand, four hundred thirty-two".