1028014181 has 2 divisors, whose sum is σ = 1028014182. Its totient is φ = 1028014180.

The previous prime is 1028014153. The next prime is 1028014193. The reversal of 1028014181 is 1814108201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 727165156 + 300849025 = 26966^2 + 17345^2 .

It is a cyclic number.

It is not a de Polignac number, because 1028014181 - 2¹⁰ = 1028013157 is a prime.

It is a super-2 number, since 2×1028014181² = 2113626312674201522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1028014181.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1028014111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 514007090 + 514007091.

It is an arithmetic number, because the mean of its divisors is an integer number (514007091).

Almost surely, 2^1028014181 is an apocalyptic number.

It is an amenable number.

1028014181 is a deficient number, since it is larger than the sum of its proper divisors (1).

1028014181 is an equidigital number, since it uses as much as digits as its factorization.

1028014181 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 512, while the sum is 26.

The square root of 1028014181 is about 32062.6602296191. The cubic root of 1028014181 is about 1009.2521932480.

The spelling of 1028014181 in words is "one billion, twenty-eight million, fourteen thousand, one hundred eighty-one".