1060405421 has 2 divisors, whose sum is σ = 1060405422. Its totient is φ = 1060405420.

The previous prime is 1060405391. The next prime is 1060405441. The reversal of 1060405421 is 1245040601.

1060405421 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 can be written as a sum of positive squares in only one way, i.e., 1010349796 + 50055625 = 31786^2 + 7075^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1060405421 is a prime.

It is a super-2 number, since 2×1060405421² = 2248919313772374482, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1060405441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 530202710 + 530202711.

It is an arithmetic number, because the mean of its divisors is an integer number (530202711).

Almost surely, 2^1060405421 is an apocalyptic number.

It is an amenable number.

1060405421 is a deficient number, since it is larger than the sum of its proper divisors (1).

1060405421 is an equidigital number, since it uses as much as digits as its factorization.

1060405421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 1060405421 is about 32563.8668004892. The cubic root of 1060405421 is about 1019.7427971895.

The spelling of 1060405421 in words is "one billion, sixty million, four hundred five thousand, four hundred twenty-one".