1024021247 has 2 divisors, whose sum is σ = 1024021248. Its totient is φ = 1024021246.

The previous prime is 1024021241. The next prime is 1024021259. The reversal of 1024021247 is 7421204201.

It is a weak prime.

It is an emirp because it is prime and its reverse (7421204201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1024021247 - 2¹⁸ = 1023759103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1024021241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 512010623 + 512010624.

It is an arithmetic number, because the mean of its divisors is an integer number (512010624).

Almost surely, 2^1024021247 is an apocalyptic number.

1024021247 is a deficient number, since it is larger than the sum of its proper divisors (1).

1024021247 is an equidigital number, since it uses as much as digits as its factorization.

1024021247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 896, while the sum is 23.

The square root of 1024021247 is about 32000.3319826529. The cubic root of 1024021247 is about 1007.9438111027.

Adding to 1024021247 its reverse (7421204201), we get a palindrome (8445225448).

The spelling of 1024021247 in words is "one billion, twenty-four million, twenty-one thousand, two hundred forty-seven".