1021240463 has 2 divisors, whose sum is σ = 1021240464. Its totient is φ = 1021240462.

The previous prime is 1021240417. The next prime is 1021240501. The reversal of 1021240463 is 3640421201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1021240463 - 2⁶ = 1021240399 is a prime.

It is a super-3 number, since 3×1021240463³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1021240403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510620231 + 510620232.

It is an arithmetic number, because the mean of its divisors is an integer number (510620232).

Almost surely, 2^1021240463 is an apocalyptic number.

1021240463 is a deficient number, since it is larger than the sum of its proper divisors (1).

1021240463 is an equidigital number, since it uses as much as digits as its factorization.

1021240463 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 1021240463 is about 31956.8531460781. The cubic root of 1021240463 is about 1007.0306090303.

Adding to 1021240463 its reverse (3640421201), we get a palindrome (4661661664).

The spelling of 1021240463 in words is "one billion, twenty-one million, two hundred forty thousand, four hundred sixty-three".