125042134143 has 16 divisors (see below), whose sum is σ = 171241534080. Its totient is φ = 81102411936.

The previous prime is 125042134127. The next prime is 125042134163. The reversal of 125042134143 is 341431240521.

It is not a de Polignac number, because 125042134143 - 2⁴ = 125042134127 is a prime.

It is a super-2 number, since 2×125042134143² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 125042134143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125042134163) 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, 1851496 + ... + 1917842.

It is an arithmetic number, because the mean of its divisors is an integer number (10702595880).

Almost surely, 2^125042134143 is an apocalyptic number.

125042134143 is a deficient number, since it is larger than the sum of its proper divisors (46199399937).

125042134143 is a wasteful number, since it uses less digits than its factorization.

125042134143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83366.

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 125042134143 its reverse (341431240521), we get a palindrome (466473374664).

The spelling of 125042134143 in words is "one hundred twenty-five billion, forty-two million, one hundred thirty-four thousand, one hundred forty-three".