1228763 has 2 divisors, whose sum is σ = 1228764. Its totient is φ = 1228762.

The previous prime is 1228741. The next prime is 1228783. The reversal of 1228763 is 3678221.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (3678221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1228763 - 2¹⁸ = 966619 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1228783) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 614381 + 614382.

It is an arithmetic number, because the mean of its divisors is an integer number (614382).

2^1228763 is an apocalyptic number.

1228763 is a deficient number, since it is larger than the sum of its proper divisors (1).

1228763 is an equidigital number, since it uses as much as digits as its factorization.

1228763 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4032, while the sum is 29.

The square root of 1228763 is about 1108.4958276872. The cubic root of 1228763 is about 107.1081969581.

It can be divided in two parts, 1228 and 763, that added together give a palindrome (1991).

The spelling of 1228763 in words is "one million, two hundred twenty-eight thousand, seven hundred sixty-three".