1028215327 has 2 divisors, whose sum is σ = 1028215328. Its totient is φ = 1028215326.

The previous prime is 1028215291. The next prime is 1028215339. The reversal of 1028215327 is 7235128201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1028215327 - 2¹¹ = 1028213279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1028215627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 514107663 + 514107664.

It is an arithmetic number, because the mean of its divisors is an integer number (514107664).

Almost surely, 2^1028215327 is an apocalyptic number.

1028215327 is a deficient number, since it is larger than the sum of its proper divisors (1).

1028215327 is an equidigital number, since it uses as much as digits as its factorization.

1028215327 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 1028215327 is about 32065.7968402471. The cubic root of 1028215327 is about 1009.3180139362.

The spelling of 1028215327 in words is "one billion, twenty-eight million, two hundred fifteen thousand, three hundred twenty-seven".