1056410300921 has 2 divisors, whose sum is σ = 1056410300922. Its totient is φ = 1056410300920.

The previous prime is 1056410300917. The next prime is 1056410301071. The reversal of 1056410300921 is 1290030146501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 833943372025 + 222466928896 = 913205^2 + 471664^2 .

It is a cyclic number.

It is not a de Polignac number, because 1056410300921 - 2² = 1056410300917 is a prime.

It is a super-2 number, since 2×1056410300921² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1056410300221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 528205150460 + 528205150461.

It is an arithmetic number, because the mean of its divisors is an integer number (528205150461).

Almost surely, 2^{1056410300921} is an apocalyptic number.

It is an amenable number.

1056410300921 is a deficient number, since it is larger than the sum of its proper divisors (1).

1056410300921 is an equidigital number, since it uses as much as digits as its factorization.

1056410300921 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 32.

The spelling of 1056410300921 in words is "one trillion, fifty-six billion, four hundred ten million, three hundred thousand, nine hundred twenty-one".