1020240047 has 2 divisors, whose sum is σ = 1020240048. Its totient is φ = 1020240046.

The previous prime is 1020240037. The next prime is 1020240073. The reversal of 1020240047 is 7400420201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1020240047 - 2¹⁰ = 1020239023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1020240007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510120023 + 510120024.

It is an arithmetic number, because the mean of its divisors is an integer number (510120024).

Almost surely, 2^1020240047 is an apocalyptic number.

1020240047 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020240047 is an equidigital number, since it uses as much as digits as its factorization.

1020240047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 448, while the sum is 20.

The square root of 1020240047 is about 31941.1967058218. The cubic root of 1020240047 is about 1006.7016696282.

Adding to 1020240047 its reverse (7400420201), we get a palindrome (8420660248).

The spelling of 1020240047 in words is "one billion, twenty million, two hundred forty thousand, forty-seven".