1001223332987 has 2 divisors, whose sum is σ = 1001223332988. Its totient is φ = 1001223332986.

The previous prime is 1001223332953. The next prime is 1001223333017. The reversal of 1001223332987 is 7892333221001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1001223332987 - 2⁸ = 1001223332731 is a prime.

It is not a weakly prime, because it can be changed into another prime (1001223332927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500611666493 + 500611666494.

It is an arithmetic number, because the mean of its divisors is an integer number (500611666494).

Almost surely, 2^{1001223332987} is an apocalyptic number.

1001223332987 is a deficient number, since it is larger than the sum of its proper divisors (1).

1001223332987 is an equidigital number, since it uses as much as digits as its factorization.

1001223332987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108864, while the sum is 41.

Adding to 1001223332987 its reverse (7892333221001), we get a palindrome (8893556553988).

The spelling of 1001223332987 in words is "one trillion, one billion, two hundred twenty-three million, three hundred thirty-two thousand, nine hundred eighty-seven".