1142042124 has 24 divisors (see below), whose sum is σ = 2675828848. Its totient is φ = 379100160.

The previous prime is 1142042107. The next prime is 1142042129. The reversal of 1142042124 is 4212402411.

It is a self number, because there is not a number n which added to its sum of digits gives 1142042124.

It is not an unprimeable number, because it can be changed into a prime (1142042129) 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, 194557 + ... + 200340.

Almost surely, 2^1142042124 is an apocalyptic number.

It is an amenable number.

1142042124 is an abundant number, since it is smaller than the sum of its proper divisors (1533786724).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1142042124 is a wasteful number, since it uses less digits than its factorization.

1142042124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395145 (or 395143 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 1142042124 is about 33794.1137478112. The cubic root of 1142042124 is about 1045.2673244497.

Adding to 1142042124 its reverse (4212402411), we get a palindrome (5354444535).

The spelling of 1142042124 in words is "one billion, one hundred forty-two million, forty-two thousand, one hundred twenty-four".