1043004042 has 12 divisors (see below), whose sum is σ = 2259842130. Its totient is φ = 347668008.

The previous prime is 1043004041. The next prime is 1043004049. The reversal of 1043004042 is 2404003401.

It can be written as a sum of positive squares in only one way, i.e., 970260201 + 72743841 = 31149^2 + 8529^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 57944669 = 1043004042 / (1 + 0 + 4 + 3 + 0 + 0 + 4 + 0 + 4 + 2).

It is not an unprimeable number, because it can be changed into a prime (1043004041) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 28972317 + ... + 28972352.

Almost surely, 2^1043004042 is an apocalyptic number.

1043004042 is an abundant number, since it is smaller than the sum of its proper divisors (1216838088).

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

1043004042 is a wasteful number, since it uses less digits than its factorization.

1043004042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57944677 (or 57944674 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 1043004042 is about 32295.5731022071. The cubic root of 1043004042 is about 1014.1339703713.

Adding to 1043004042 its reverse (2404003401), we get a palindrome (3447007443).

The spelling of 1043004042 in words is "one billion, forty-three million, four thousand, forty-two".