1042140112 has 20 divisors (see below), whose sum is σ = 2174465860. Its totient is φ = 480987648.

The previous prime is 1042140109. The next prime is 1042140133. The reversal of 1042140112 is 2110412401.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 101123136 + 941016976 = 10056^2 + 30676^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2504937 + ... + 2505352.

It is an arithmetic number, because the mean of its divisors is an integer number (108723293).

Almost surely, 2^1042140112 is an apocalyptic number.

It is an amenable number.

1042140112 is an abundant number, since it is smaller than the sum of its proper divisors (1132325748).

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

1042140112 is a wasteful number, since it uses less digits than its factorization.

1042140112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5010310 (or 5010304 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 1042140112 is about 32282.1949687440. The cubic root of 1042140112 is about 1013.8538874754.

Adding to 1042140112 its reverse (2110412401), we get a palindrome (3152552513).

The spelling of 1042140112 in words is "one billion, forty-two million, one hundred forty thousand, one hundred twelve".