1029028673 has 4 divisors (see below), whose sum is σ = 1029775188. Its totient is φ = 1028282160.

The previous prime is 1029028667. The next prime is 1029028681. The reversal of 1029028673 is 3768209201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3768209201 = 271 ⋅13904831.

It can be written as a sum of positive squares in 2 ways, for example, as 383258929 + 645769744 = 19577^2 + 25412^2 .

It is a cyclic number.

It is not a de Polignac number, because 1029028673 - 2⁸ = 1029028417 is a prime.

It is a super-2 number, since 2×1029028673² = 2117800019712281858, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1029028603) 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 in 3 ways as a sum of consecutive naturals, for example, 371186 + ... + 373947.

It is an arithmetic number, because the mean of its divisors is an integer number (257443797).

Almost surely, 2^1029028673 is an apocalyptic number.

It is an amenable number.

1029028673 is a deficient number, since it is larger than the sum of its proper divisors (746515).

1029028673 is an equidigital number, since it uses as much as digits as its factorization.

1029028673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 746514.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 1029028673 is about 32078.4767874037. The cubic root of 1029028673 is about 1009.5840763666.

The spelling of 1029028673 in words is "one billion, twenty-nine million, twenty-eight thousand, six hundred seventy-three".