1000232001 has 12 divisors (see below), whose sum is σ = 1445498340. Its totient is φ = 666489600.

The previous prime is 1000231997. The next prime is 1000232017. The reversal of 1000232001 is 1002320001.

It is a happy number.

1000232001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 836366400 + 163865601 = 28920^2 + 12801^2 .

It is not a de Polignac number, because 1000232001 - 2² = 1000231997 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1000232021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7800 + ... + 45401.

It is an arithmetic number, because the mean of its divisors is an integer number (120458195).

Almost surely, 2^1000232001 is an apocalyptic number.

It is an amenable number.

1000232001 is a deficient number, since it is larger than the sum of its proper divisors (445266339).

1000232001 is a wasteful number, since it uses less digits than its factorization.

1000232001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55296 (or 55293 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 1000232001 is about 31626.4446468458. Note that the first 3 decimals coincide. The cubic root of 1000232001 is about 1000.0773276869.

Adding to 1000232001 its reverse (1002320001), we get a palindrome (2002552002).

The spelling of 1000232001 in words is "one billion, two hundred thirty-two thousand, one".