1264224743 has 2 divisors, whose sum is σ = 1264224744. Its totient is φ = 1264224742.

The previous prime is 1264224707. The next prime is 1264224751. The reversal of 1264224743 is 3474224621.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1264224743 - 2¹⁸ = 1263962599 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1264224343) 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, 632112371 + 632112372.

It is an arithmetic number, because the mean of its divisors is an integer number (632112372).

Almost surely, 2^1264224743 is an apocalyptic number.

1264224743 is a deficient number, since it is larger than the sum of its proper divisors (1).

1264224743 is an equidigital number, since it uses as much as digits as its factorization.

1264224743 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 64512, while the sum is 35.

The square root of 1264224743 is about 35555.9382241560. The cubic root of 1264224743 is about 1081.2881129804.

The spelling of 1264224743 in words is "one billion, two hundred sixty-four million, two hundred twenty-four thousand, seven hundred forty-three".