125443135 has 16 divisors (see below), whose sum is σ = 155027232. Its totient is φ = 97372800.

The previous prime is 125443117. The next prime is 125443147. The reversal of 125443135 is 531344521.

It is not a de Polignac number, because 125443135 - 2⁹ = 125442623 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 90145 + ... + 91525.

It is an arithmetic number, because the mean of its divisors is an integer number (9689202).

Almost surely, 2^125443135 is an apocalyptic number.

125443135 is a deficient number, since it is larger than the sum of its proper divisors (29584097).

125443135 is a wasteful number, since it uses less digits than its factorization.

125443135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1914.

The product of its digits is 7200, while the sum is 28.

The square root of 125443135 is about 11200.1399544827. The cubic root of 125443135 is about 500.5901498390.

Adding to 125443135 its reverse (531344521), we get a palindrome (656787656).

The spelling of 125443135 in words is "one hundred twenty-five million, four hundred forty-three thousand, one hundred thirty-five".