1043442005 has 32 divisors (see below), whose sum is σ = 1318288608. Its totient is φ = 792064000.

The previous prime is 1043441969. The next prime is 1043442073. The reversal of 1043442005 is 5002443401.

It can be written as a sum of positive squares in 16 ways, for example, as 146918641 + 896523364 = 12121^2 + 29942^2 .

It is not a de Polignac number, because 1043442005 - 2²⁸ = 775006549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1488155 + ... + 1488855.

It is an arithmetic number, because the mean of its divisors is an integer number (41196519).

Almost surely, 2^1043442005 is an apocalyptic number.

It is an amenable number.

1043442005 is a deficient number, since it is larger than the sum of its proper divisors (274846603).

1043442005 is a wasteful number, since it uses less digits than its factorization.

1043442005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 937.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 1043442005 is about 32302.3529328747. The cubic root of 1043442005 is about 1014.2758972751.

Adding to 1043442005 its reverse (5002443401), we get a palindrome (6045885406).

The spelling of 1043442005 in words is "one billion, forty-three million, four hundred forty-two thousand, five".