1201000321 has 8 divisors (see below), whose sum is σ = 1212455520. Its totient is φ = 1189598208.

The previous prime is 1201000301. The next prime is 1201000337. The reversal of 1201000321 is 1230001021.

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 1201000321 - 2¹¹ = 1200998273 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1201000298 and 1201000307.

It is not an unprimeable number, because it can be changed into a prime (1201000301) 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, 32950 + ... + 59056.

It is an arithmetic number, because the mean of its divisors is an integer number (151556940).

Almost surely, 2^1201000321 is an apocalyptic number.

It is an amenable number.

1201000321 is a deficient number, since it is larger than the sum of its proper divisors (11455199).

1201000321 is a wasteful number, since it uses less digits than its factorization.

1201000321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26543.

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

The square root of 1201000321 is about 34655.4515336332. The cubic root of 1201000321 is about 1062.9537648623.

Adding to 1201000321 its reverse (1230001021), we get a palindrome (2431001342).

The spelling of 1201000321 in words is "one billion, two hundred one million, three hundred twenty-one", and thus it is an aban number.