1228962653 has 2 divisors, whose sum is σ = 1228962654. Its totient is φ = 1228962652.

The previous prime is 1228962619. The next prime is 1228962671. The reversal of 1228962653 is 3562698221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1093426489 + 135536164 = 33067^2 + 11642^2 .

It is a cyclic number.

It is not a de Polignac number, because 1228962653 - 2²⁶ = 1161853789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1228961653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 614481326 + 614481327.

It is an arithmetic number, because the mean of its divisors is an integer number (614481327).

Almost surely, 2^1228962653 is an apocalyptic number.

It is an amenable number.

1228962653 is a deficient number, since it is larger than the sum of its proper divisors (1).

1228962653 is an equidigital number, since it uses as much as digits as its factorization.

1228962653 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 311040, while the sum is 44.

The square root of 1228962653 is about 35056.5636222377. The cubic root of 1228962653 is about 1071.1399772815.

The spelling of 1228962653 in words is "one billion, two hundred twenty-eight million, nine hundred sixty-two thousand, six hundred fifty-three".