126004505242143 has 16 divisors (see below), whose sum is σ = 183280294786176. Its totient is φ = 76365944132640.

The previous prime is 126004505242127. The next prime is 126004505242151. The reversal of 126004505242143 is 341242505400621.

It is not a de Polignac number, because 126004505242143 - 2⁴ = 126004505242127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126004505242103) 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, 4461880 + ... + 16489917.

It is an arithmetic number, because the mean of its divisors is an integer number (11455018424136).

Almost surely, 2^{126004505242143} is an apocalyptic number.

126004505242143 is a deficient number, since it is larger than the sum of its proper divisors (57275789544033).

126004505242143 is a wasteful number, since it uses less digits than its factorization.

126004505242143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21134054.

The product of its (nonzero) digits is 230400, while the sum is 39.

The spelling of 126004505242143 in words is "one hundred twenty-six trillion, four billion, five hundred five million, two hundred forty-two thousand, one hundred forty-three".