1021463 has 2 divisors, whose sum is σ = 1021464. Its totient is φ = 1021462.

The previous prime is 1021457. The next prime is 1021483. The reversal of 1021463 is 3641201.

It is a weak prime.

It is an emirp because it is prime and its reverse (3641201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1021463 - 2¹⁴ = 1005079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1021403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510731 + 510732.

It is an arithmetic number, because the mean of its divisors is an integer number (510732).

2^1021463 is an apocalyptic number.

1021463 is a deficient number, since it is larger than the sum of its proper divisors (1).

1021463 is an equidigital number, since it uses as much as digits as its factorization.

1021463 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1021463 is about 1010.6745272342. The cubic root of 1021463 is about 100.7103750568.

Adding to 1021463 its reverse (3641201), we get a palindrome (4662664).

The spelling of 1021463 in words is "one million, twenty-one thousand, four hundred sixty-three".