1001240047 has 2 divisors, whose sum is σ = 1001240048. Its totient is φ = 1001240046.

The previous prime is 1001240033. The next prime is 1001240057. The reversal of 1001240047 is 7400421001.

It is a strong prime.

It is an emirp because it is prime and its reverse (7400421001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1001240047 - 2²³ = 992851439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1001240057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500620023 + 500620024.

It is an arithmetic number, because the mean of its divisors is an integer number (500620024).

Almost surely, 2^1001240047 is an apocalyptic number.

1001240047 is a deficient number, since it is larger than the sum of its proper divisors (1).

1001240047 is an equidigital number, since it uses as much as digits as its factorization.

1001240047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 1001240047 is about 31642.3773917195. The cubic root of 1001240047 is about 1000.4131782602.

Adding to 1001240047 its reverse (7400421001), we get a palindrome (8401661048).

The spelling of 1001240047 in words is "one billion, one million, two hundred forty thousand, forty-seven".