1024432009 has 4 divisors (see below), whose sum is σ = 1024695504. Its totient is φ = 1024168516.

The previous prime is 1024432007. The next prime is 1024432033. The reversal of 1024432009 is 9002344201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9002344201 = 8941 ⋅1006861.

It is a cyclic number.

It is not a de Polignac number, because 1024432009 - 2¹ = 1024432007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1024432007) 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 3 ways as a sum of consecutive naturals, for example, 125827 + ... + 133720.

It is an arithmetic number, because the mean of its divisors is an integer number (256173876).

Almost surely, 2^1024432009 is an apocalyptic number.

It is an amenable number.

1024432009 is a deficient number, since it is larger than the sum of its proper divisors (263495).

1024432009 is an equidigital number, since it uses as much as digits as its factorization.

1024432009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263494.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 1024432009 is about 32006.7494288314. The cubic root of 1024432009 is about 1008.0785640584.

The spelling of 1024432009 in words is "one billion, twenty-four million, four hundred thirty-two thousand, nine".