1042042142 has 16 divisors (see below), whose sum is σ = 1616745312. Its totient is φ = 503374080.

The previous prime is 1042042103. The next prime is 1042042147. The reversal of 1042042142 is 2412402401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042042147) 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, 53243 + ... + 70134.

It is an arithmetic number, because the mean of its divisors is an integer number (101046582).

Almost surely, 2^1042042142 is an apocalyptic number.

1042042142 is a deficient number, since it is larger than the sum of its proper divisors (574703170).

1042042142 is a wasteful number, since it uses less digits than its factorization.

1042042142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123523.

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 1042042142 is about 32280.6775331622. The cubic root of 1042042142 is about 1013.8221161947.

Adding to 1042042142 its reverse (2412402401), we get a palindrome (3454444543).

The spelling of 1042042142 in words is "one billion, forty-two million, forty-two thousand, one hundred forty-two".