1220855303 has 2 divisors, whose sum is σ = 1220855304. Its totient is φ = 1220855302.

The previous prime is 1220855261. The next prime is 1220855351. The reversal of 1220855303 is 3035580221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1220855303 - 2⁶ = 1220855239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1220855353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610427651 + 610427652.

It is an arithmetic number, because the mean of its divisors is an integer number (610427652).

Almost surely, 2^1220855303 is an apocalyptic number.

1220855303 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220855303 is an equidigital number, since it uses as much as digits as its factorization.

1220855303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 1220855303 is about 34940.7398748223. The cubic root of 1220855303 is about 1068.7793758304.

The spelling of 1220855303 in words is "one billion, two hundred twenty million, eight hundred fifty-five thousand, three hundred three".