1020421411 has 2 divisors, whose sum is σ = 1020421412. Its totient is φ = 1020421410.

The previous prime is 1020421393. The next prime is 1020421417. The reversal of 1020421411 is 1141240201.

It is a happy number.

1020421411 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1020421411 - 2¹⁵ = 1020388643 is a prime.

It is not a weakly prime, because it can be changed into another prime (1020421417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510210705 + 510210706.

It is an arithmetic number, because the mean of its divisors is an integer number (510210706).

Almost surely, 2^1020421411 is an apocalyptic number.

1020421411 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020421411 is an equidigital number, since it uses as much as digits as its factorization.

1020421411 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 1020421411 is about 31944.0356091712. The cubic root of 1020421411 is about 1006.7613185394.

Adding to 1020421411 its reverse (1141240201), we get a palindrome (2161661612).

The spelling of 1020421411 in words is "one billion, twenty million, four hundred twenty-one thousand, four hundred eleven".