1042443312 has 20 divisors (see below), whose sum is σ = 2692978680. Its totient is φ = 347481088.

The previous prime is 1042443307. The next prime is 1042443317. The reversal of 1042443312 is 2133442401.

It is an interprime number because it is at equal distance from previous prime (1042443307) and next prime (1042443317).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (1042443317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10858737 + ... + 10858832.

It is an arithmetic number, because the mean of its divisors is an integer number (134648934).

Almost surely, 2^1042443312 is an apocalyptic number.

1042443312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1042443312 is an abundant number, since it is smaller than the sum of its proper divisors (1650535368).

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

1042443312 is a wasteful number, since it uses less digits than its factorization.

1042443312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21717580 (or 21717574 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 1042443312 is about 32286.8907143441. The cubic root of 1042443312 is about 1013.9522014123.

Adding to 1042443312 its reverse (2133442401), we get a palindrome (3175885713).

The spelling of 1042443312 in words is "one billion, forty-two million, four hundred forty-three thousand, three hundred twelve".