1220101303 has 8 divisors (see below), whose sum is σ = 1223913600. Its totient is φ = 1216296120.

The previous prime is 1220101261. The next prime is 1220101327. The reversal of 1220101303 is 3031010221.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1220101303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220101403) 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, 652576 + ... + 654442.

It is an arithmetic number, because the mean of its divisors is an integer number (152989200).

Almost surely, 2^1220101303 is an apocalyptic number.

1220101303 is a deficient number, since it is larger than the sum of its proper divisors (3812297).

1220101303 is a wasteful number, since it uses less digits than its factorization.

1220101303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3557.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 1220101303 is about 34929.9485112704. The cubic root of 1220101303 is about 1068.5593045400.

Adding to 1220101303 its reverse (3031010221), we get a palindrome (4251111524).

The spelling of 1220101303 in words is "one billion, two hundred twenty million, one hundred one thousand, three hundred three".