1245226663 has 2 divisors, whose sum is σ = 1245226664. Its totient is φ = 1245226662.

The previous prime is 1245226639. The next prime is 1245226681. The reversal of 1245226663 is 3666225421.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1245226663 - 2¹⁷ = 1245095591 is a prime.

It is a super-2 number, since 2×1245226663² = 3101178884492231138, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1245224663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 622613331 + 622613332.

It is an arithmetic number, because the mean of its divisors is an integer number (622613332).

Almost surely, 2^1245226663 is an apocalyptic number.

1245226663 is a deficient number, since it is larger than the sum of its proper divisors (1).

1245226663 is an equidigital number, since it uses as much as digits as its factorization.

1245226663 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 103680, while the sum is 37.

The square root of 1245226663 is about 35287.7693117601. The cubic root of 1245226663 is about 1075.8444169012.

The spelling of 1245226663 in words is "one billion, two hundred forty-five million, two hundred twenty-six thousand, six hundred sixty-three".