1220302301 has 4 divisors (see below), whose sum is σ = 1232384604. Its totient is φ = 1208220000.

The previous prime is 1220302297. The next prime is 1220302309. The reversal of 1220302301 is 1032030221.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 764522500 + 455779801 = 27650^2 + 21349^2 .

It is a cyclic number.

It is not a de Polignac number, because 1220302301 - 2² = 1220302297 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220302309) 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 3 ways as a sum of consecutive naturals, for example, 6041000 + ... + 6041201.

It is an arithmetic number, because the mean of its divisors is an integer number (308096151).

Almost surely, 2^1220302301 is an apocalyptic number.

It is an amenable number.

1220302301 is a deficient number, since it is larger than the sum of its proper divisors (12082303).

1220302301 is a wasteful number, since it uses less digits than its factorization.

1220302301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12082302.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 1220302301 is about 34932.8255513350. The cubic root of 1220302301 is about 1068.6179790368.

Adding to 1220302301 its reverse (1032030221), we get a palindrome (2252332522).

The spelling of 1220302301 in words is "one billion, two hundred twenty million, three hundred two thousand, three hundred one".