1021328107 has 2 divisors, whose sum is σ = 1021328108. Its totient is φ = 1021328106.

The previous prime is 1021328093. The next prime is 1021328137. The reversal of 1021328107 is 7018231201.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1021328107 - 2¹⁵ = 1021295339 is a prime.

It is a super-2 number, since 2×1021328107² = 2086222204296406898, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1021328137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510664053 + 510664054.

It is an arithmetic number, because the mean of its divisors is an integer number (510664054).

Almost surely, 2^1021328107 is an apocalyptic number.

1021328107 is a deficient number, since it is larger than the sum of its proper divisors (1).

1021328107 is an equidigital number, since it uses as much as digits as its factorization.

1021328107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 25.

The square root of 1021328107 is about 31958.2244031173. The cubic root of 1021328107 is about 1007.0594163710.

Adding to 1021328107 its reverse (7018231201), we get a palindrome (8039559308).

The spelling of 1021328107 in words is "one billion, twenty-one million, three hundred twenty-eight thousand, one hundred seven".