1233688481 has 2 divisors, whose sum is σ = 1233688482. Its totient is φ = 1233688480.

The previous prime is 1233688459. The next prime is 1233688501. The reversal of 1233688481 is 1848863321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1233133456 + 555025 = 35116^2 + 745^2 .

It is a cyclic number.

It is not a de Polignac number, because 1233688481 - 2¹⁰ = 1233687457 is a prime.

It is a super-2 number, since 2×1233688481² = 3043974536304174722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1233688451) 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, 616844240 + 616844241.

It is an arithmetic number, because the mean of its divisors is an integer number (616844241).

Almost surely, 2^1233688481 is an apocalyptic number.

It is an amenable number.

1233688481 is a deficient number, since it is larger than the sum of its proper divisors (1).

1233688481 is an equidigital number, since it uses as much as digits as its factorization.

1233688481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 221184, while the sum is 44.

The square root of 1233688481 is about 35123.9018476023. The cubic root of 1233688481 is about 1072.5112011190.

The spelling of 1233688481 in words is "one billion, two hundred thirty-three million, six hundred eighty-eight thousand, four hundred eighty-one".