1028113019 has 2 divisors, whose sum is σ = 1028113020. Its totient is φ = 1028113018.

The previous prime is 1028113001. The next prime is 1028113039. The reversal of 1028113019 is 9103118201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1028113019 - 2⁸ = 1028112763 is a prime.

It is a super-2 number, since 2×1028113019² = 2114032759674588722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1028113039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 514056509 + 514056510.

It is an arithmetic number, because the mean of its divisors is an integer number (514056510).

Almost surely, 2^1028113019 is an apocalyptic number.

1028113019 is a deficient number, since it is larger than the sum of its proper divisors (1).

1028113019 is an equidigital number, since it uses as much as digits as its factorization.

1028113019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 26.

The square root of 1028113019 is about 32064.2015182041. The cubic root of 1028113019 is about 1009.2845369236.

The spelling of 1028113019 in words is "one billion, twenty-eight million, one hundred thirteen thousand, nineteen".