1228027553 has 2 divisors, whose sum is σ = 1228027554. Its totient is φ = 1228027552.

The previous prime is 1228027547. The next prime is 1228027621. The reversal of 1228027553 is 3557208221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 762201664 + 465825889 = 27608^2 + 21583^2 .

It is a cyclic number.

It is not a de Polignac number, because 1228027553 - 2¹² = 1228023457 is a prime.

It is not a weakly prime, because it can be changed into another prime (1228027253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 614013776 + 614013777.

It is an arithmetic number, because the mean of its divisors is an integer number (614013777).

Almost surely, 2^1228027553 is an apocalyptic number.

It is an amenable number.

1228027553 is a deficient number, since it is larger than the sum of its proper divisors (1).

1228027553 is an equidigital number, since it uses as much as digits as its factorization.

1228027553 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 33600, while the sum is 35.

The square root of 1228027553 is about 35043.2240668578. The cubic root of 1228027553 is about 1070.8682366831.

The spelling of 1228027553 in words is "one billion, two hundred twenty-eight million, twenty-seven thousand, five hundred fifty-three".