1142043442103 has 16 divisors (see below), whose sum is σ = 1167870893280. Its totient is φ = 1116478826496.

The previous prime is 1142043442093. The next prime is 1142043442129. The reversal of 1142043442103 is 3012443402411.

It is a cyclic number.

It is not a de Polignac number, because 1142043442103 - 2¹⁰ = 1142043441079 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 (1142093442103) 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, 37885025 + ... + 37915157.

It is an arithmetic number, because the mean of its divisors is an integer number (72991930830).

Almost surely, 2^{1142043442103} is an apocalyptic number.

1142043442103 is a deficient number, since it is larger than the sum of its proper divisors (25827451177).

1142043442103 is a wasteful number, since it uses less digits than its factorization.

1142043442103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34466.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 1142043442103 its reverse (3012443402411), we get a palindrome (4154486844514).

The spelling of 1142043442103 in words is "one trillion, one hundred forty-two billion, forty-three million, four hundred forty-two thousand, one hundred three".