1000321201 has 8 divisors (see below), whose sum is σ = 1106630208. Its totient is φ = 896574000.

The previous prime is 1000321193. The next prime is 1000321207. The reversal of 1000321201 is 1021230001.

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 1000321201 - 2³ = 1000321193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1000321207) 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, 639630 + ... + 641191.

It is an arithmetic number, because the mean of its divisors is an integer number (138328776).

Almost surely, 2^1000321201 is an apocalyptic number.

1000321201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1000321201 is a deficient number, since it is larger than the sum of its proper divisors (106309007).

1000321201 is a wasteful number, since it uses less digits than its factorization.

1000321201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1280903.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 1000321201 is about 31627.8548276673. The cubic root of 1000321201 is about 1000.1070555387.

Adding to 1000321201 its reverse (1021230001), we get a palindrome (2021551202).

The spelling of 1000321201 in words is "one billion, three hundred twenty-one thousand, two hundred one".