1228501303 has 2 divisors, whose sum is σ = 1228501304. Its totient is φ = 1228501302.

The previous prime is 1228501273. The next prime is 1228501319. The reversal of 1228501303 is 3031058221.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1228501303 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1228501333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 614250651 + 614250652.

It is an arithmetic number, because the mean of its divisors is an integer number (614250652).

Almost surely, 2^1228501303 is an apocalyptic number.

1228501303 is a deficient number, since it is larger than the sum of its proper divisors (1).

1228501303 is an equidigital number, since it uses as much as digits as its factorization.

1228501303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 1228501303 is about 35049.9829243896. The cubic root of 1228501303 is about 1071.0059259396.

Adding to 1228501303 its reverse (3031058221), we get a palindrome (4259559524).

The spelling of 1228501303 in words is "one billion, two hundred twenty-eight million, five hundred one thousand, three hundred three".