1301220333 has 72 divisors (see below), whose sum is σ = 2268669312. Its totient is φ = 716107392.

The previous prime is 1301220311. The next prime is 1301220353. The reversal of 1301220333 is 3330221031.

It is not a de Polignac number, because 1301220333 - 2¹³ = 1301212141 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1301220353) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1388241 + ... + 1389177.

It is an arithmetic number, because the mean of its divisors is an integer number (31509296).

Almost surely, 2^1301220333 is an apocalyptic number.

It is an amenable number.

1301220333 is a deficient number, since it is larger than the sum of its proper divisors (967448979).

1301220333 is a wasteful number, since it uses less digits than its factorization.

1301220333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1071 (or 1061 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 1301220333 is about 36072.4317588931. The cubic root of 1301220333 is about 1091.7342795279.

Adding to 1301220333 its reverse (3330221031), we get a palindrome (4631441364).

The spelling of 1301220333 in words is "one billion, three hundred one million, two hundred twenty thousand, three hundred thirty-three".