1228260763 has 2 divisors, whose sum is σ = 1228260764. Its totient is φ = 1228260762.

The previous prime is 1228260731. The next prime is 1228260767. The reversal of 1228260763 is 3670628221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1228260763 - 2⁵ = 1228260731 is a prime.

It is not a weakly prime, because it can be changed into another prime (1228260767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 614130381 + 614130382.

It is an arithmetic number, because the mean of its divisors is an integer number (614130382).

Almost surely, 2^1228260763 is an apocalyptic number.

1228260763 is a deficient number, since it is larger than the sum of its proper divisors (1).

1228260763 is an equidigital number, since it uses as much as digits as its factorization.

1228260763 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 1228260763 is about 35046.5513709980. The cubic root of 1228260763 is about 1070.9360205515.

Adding to 1228260763 its reverse (3670628221), we get a palindrome (4898888984).

The spelling of 1228260763 in words is "one billion, two hundred twenty-eight million, two hundred sixty thousand, seven hundred sixty-three".