1236748063 has 2 divisors, whose sum is σ = 1236748064. Its totient is φ = 1236748062.

The previous prime is 1236748061. The next prime is 1236748087. The reversal of 1236748063 is 3608476321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1236748063 - 2¹ = 1236748061 is a prime.

Together with 1236748061, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1236748061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 618374031 + 618374032.

It is an arithmetic number, because the mean of its divisors is an integer number (618374032).

Almost surely, 2^1236748063 is an apocalyptic number.

1236748063 is a deficient number, since it is larger than the sum of its proper divisors (1).

1236748063 is an equidigital number, since it uses as much as digits as its factorization.

1236748063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145152, while the sum is 40.

The square root of 1236748063 is about 35167.4290075348. The cubic root of 1236748063 is about 1073.3970884569.

The spelling of 1236748063 in words is "one billion, two hundred thirty-six million, seven hundred forty-eight thousand, sixty-three".