1249384063 has 2 divisors, whose sum is σ = 1249384064. Its totient is φ = 1249384062.

The previous prime is 1249384057. The next prime is 1249384091. The reversal of 1249384063 is 3604839421.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1249384063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1249384013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 624692031 + 624692032.

It is an arithmetic number, because the mean of its divisors is an integer number (624692032).

Almost surely, 2^1249384063 is an apocalyptic number.

1249384063 is a deficient number, since it is larger than the sum of its proper divisors (1).

1249384063 is an equidigital number, since it uses as much as digits as its factorization.

1249384063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 124416, while the sum is 40.

The square root of 1249384063 is about 35346.6273214291. The cubic root of 1249384063 is about 1077.0403831415.

The spelling of 1249384063 in words is "one billion, two hundred forty-nine million, three hundred eighty-four thousand, sixty-three".