125305031041 has 4 divisors (see below), whose sum is σ = 125757396052. Its totient is φ = 124852666032.

The previous prime is 125305031039. The next prime is 125305031051. The reversal of 125305031041 is 140130503521.

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 72632945025 + 52672086016 = 269505^2 + 229504^2 .

It is a cyclic number.

It is not a de Polignac number, because 125305031041 - 2¹ = 125305031039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 125305030997 and 125305031015.

It is not an unprimeable number, because it can be changed into a prime (125305031051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 226182090 + ... + 226182643.

It is an arithmetic number, because the mean of its divisors is an integer number (31439349013).

Almost surely, 2^125305031041 is an apocalyptic number.

It is an amenable number.

125305031041 is a deficient number, since it is larger than the sum of its proper divisors (452365011).

125305031041 is an equidigital number, since it uses as much as digits as its factorization.

125305031041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452365010.

The product of its (nonzero) digits is 1800, while the sum is 25.

Adding to 125305031041 its reverse (140130503521), we get a palindrome (265435534562).

The spelling of 125305031041 in words is "one hundred twenty-five billion, three hundred five million, thirty-one thousand, forty-one".