1201130321 has 8 divisors (see below), whose sum is σ = 1226213184. Its totient is φ = 1176221520.

The previous prime is 1201130317. The next prime is 1201130347. The reversal of 1201130321 is 1230311021.

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

It is not a de Polignac number, because 1201130321 - 2² = 1201130317 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1201130296 and 1201130305.

It is not an unprimeable number, because it can be changed into a prime (1201130351) 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 7 ways as a sum of consecutive naturals, for example, 29525 + ... + 57218.

It is an arithmetic number, because the mean of its divisors is an integer number (153276648).

Almost surely, 2^1201130321 is an apocalyptic number.

It is an amenable number.

1201130321 is a deficient number, since it is larger than the sum of its proper divisors (25082863).

1201130321 is an equidigital number, since it uses as much as digits as its factorization.

1201130321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87031.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 1201130321 is about 34657.3270896646. The cubic root of 1201130321 is about 1062.9921159494.

Adding to 1201130321 its reverse (1230311021), we get a palindrome (2431441342).

The spelling of 1201130321 in words is "one billion, two hundred one million, one hundred thirty thousand, three hundred twenty-one".