1223744087 has 2 divisors, whose sum is σ = 1223744088. Its totient is φ = 1223744086.

The previous prime is 1223744063. The next prime is 1223744129. The reversal of 1223744087 is 7804473221.

It is a weak prime.

It is an emirp because it is prime and its reverse (7804473221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1223744087 - 2⁸ = 1223743831 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1223744087.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1223744047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611872043 + 611872044.

It is an arithmetic number, because the mean of its divisors is an integer number (611872044).

Almost surely, 2^1223744087 is an apocalyptic number.

1223744087 is a deficient number, since it is larger than the sum of its proper divisors (1).

1223744087 is an equidigital number, since it uses as much as digits as its factorization.

1223744087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 75264, while the sum is 38.

The square root of 1223744087 is about 34982.0537847623. The cubic root of 1223744087 is about 1069.6216926224.

The spelling of 1223744087 in words is "one billion, two hundred twenty-three million, seven hundred forty-four thousand, eighty-seven".