1042125143 has 16 divisors (see below), whose sum is σ = 1113025536. Its totient is φ = 972336000.

The previous prime is 1042125131. The next prime is 1042125157. The reversal of 1042125143 is 3415212401.

It is a cyclic number.

It is not a de Polignac number, because 1042125143 - 2⁴ = 1042125127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042125163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1207130 + ... + 1207992.

It is an arithmetic number, because the mean of its divisors is an integer number (69564096).

Almost surely, 2^1042125143 is an apocalyptic number.

1042125143 is a deficient number, since it is larger than the sum of its proper divisors (70900393).

1042125143 is a wasteful number, since it uses less digits than its factorization.

1042125143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1414.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 1042125143 is about 32281.9631218425. The cubic root of 1042125143 is about 1013.8490332172.

Adding to 1042125143 its reverse (3415212401), we get a palindrome (4457337544).

The spelling of 1042125143 in words is "one billion, forty-two million, one hundred twenty-five thousand, one hundred forty-three".