1201010321 has 8 divisors (see below), whose sum is σ = 1419913920. Its totient is φ = 993939408.

The previous prime is 1201010299. The next prime is 1201010323. The reversal of 1201010321 is 1230101021.

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

It is not a de Polignac number, because 1201010321 - 2³⁰ = 127268497 is a prime.

It is a super-2 number, since 2×1201010321² = 2884851582297046082, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1201010323) 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, 2957951 + ... + 2958356.

It is an arithmetic number, because the mean of its divisors is an integer number (177489240).

Almost surely, 2^1201010321 is an apocalyptic number.

It is an amenable number.

1201010321 is a deficient number, since it is larger than the sum of its proper divisors (218903599).

1201010321 is an equidigital number, since it uses as much as digits as its factorization.

1201010321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5916343.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 1201010321 is about 34655.5958107778. The cubic root of 1201010321 is about 1062.9567150442.

Adding to 1201010321 its reverse (1230101021), we get a palindrome (2431111342).

The spelling of 1201010321 in words is "one billion, two hundred one million, ten thousand, three hundred twenty-one".