125015301043 has 4 divisors (see below), whose sum is σ = 125153135800. Its totient is φ = 124877466288.

The previous prime is 125015301041. The next prime is 125015301107. The reversal of 125015301043 is 340103510521.

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 125015301043 - 2¹ = 125015301041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 125015300999 and 125015301017.

It is not an unprimeable number, because it can be changed into a prime (125015301041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68916018 + ... + 68917831.

It is an arithmetic number, because the mean of its divisors is an integer number (31288283950).

Almost surely, 2^125015301043 is an apocalyptic number.

125015301043 is a deficient number, since it is larger than the sum of its proper divisors (137834757).

125015301043 is an equidigital number, since it uses as much as digits as its factorization.

125015301043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137834756.

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

Adding to 125015301043 its reverse (340103510521), we get a palindrome (465118811564).

The spelling of 125015301043 in words is "one hundred twenty-five billion, fifteen million, three hundred one thousand, forty-three".