1042142040142 has 16 divisors (see below), whose sum is σ = 1786785219072. Its totient is φ = 446568301080.

The previous prime is 1042142040101. The next prime is 1042142040143. The reversal of 1042142040142 is 2410402412401.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042142040143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5232234 + ... + 5427757.

It is an arithmetic number, because the mean of its divisors is an integer number (111674076192).

Almost surely, 2^{1042142040142} is an apocalyptic number.

1042142040142 is a deficient number, since it is larger than the sum of its proper divisors (744643178930).

1042142040142 is a wasteful number, since it uses less digits than its factorization.

1042142040142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10666983.

The product of its (nonzero) digits is 2048, while the sum is 25.

Adding to 1042142040142 its reverse (2410402412401), we get a palindrome (3452544452543).

The spelling of 1042142040142 in words is "one trillion, forty-two billion, one hundred forty-two million, forty thousand, one hundred forty-two".