125134340043 has 16 divisors (see below), whose sum is σ = 175727129600. Its totient is φ = 78987221280.

The previous prime is 125134339987. The next prime is 125134340057. The reversal of 125134340043 is 340043431521.

It is not a de Polignac number, because 125134340043 - 2¹⁴ = 125134323659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125134344043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 523768 + ... + 724293.

It is an arithmetic number, because the mean of its divisors is an integer number (10982945600).

Almost surely, 2^125134340043 is an apocalyptic number.

125134340043 is a deficient number, since it is larger than the sum of its proper divisors (50592789557).

125134340043 is a wasteful number, since it uses less digits than its factorization.

125134340043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1249842.

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 125134340043 its reverse (340043431521), we get a palindrome (465177771564).

The spelling of 125134340043 in words is "one hundred twenty-five billion, one hundred thirty-four million, three hundred forty thousand, forty-three".