1043232005 has 8 divisors (see below), whose sum is σ = 1252051992. Its totient is φ = 834469888.

The previous prime is 1043231963. The next prime is 1043232007. The reversal of 1043232005 is 5002323401.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 34597924 + 1008634081 = 5882^2 + 31759^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1043232005 - 2¹⁸ = 1042969861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1043232007) 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, 60869 + ... + 76101.

It is an arithmetic number, because the mean of its divisors is an integer number (156506499).

Almost surely, 2^1043232005 is an apocalyptic number.

It is an amenable number.

1043232005 is a deficient number, since it is larger than the sum of its proper divisors (208819987).

1043232005 is a wasteful number, since it uses less digits than its factorization.

1043232005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28935.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 1043232005 is about 32299.1022321055. The cubic root of 1043232005 is about 1014.2078493376.

Adding to 1043232005 its reverse (5002323401), we get a palindrome (6045555406).

The spelling of 1043232005 in words is "one billion, forty-three million, two hundred thirty-two thousand, five".