1002728027 has 4 divisors (see below), whose sum is σ = 1145974896. Its totient is φ = 859481160.

The previous prime is 1002728011. The next prime is 1002728057. The reversal of 1002728027 is 7208272001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7208272001 = 7 ⋅1029753143.

It is a cyclic number.

It is not a de Polignac number, because 1002728027 - 2⁴ = 1002728011 is a prime.

It is a super-2 number, since 2×1002728027² = 2010926992262625458, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1002728057) 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, 71623424 + ... + 71623437.

It is an arithmetic number, because the mean of its divisors is an integer number (286493724).

Almost surely, 2^1002728027 is an apocalyptic number.

1002728027 is a deficient number, since it is larger than the sum of its proper divisors (143246869).

1002728027 is an equidigital number, since it uses as much as digits as its factorization.

1002728027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143246868.

The product of its (nonzero) digits is 3136, while the sum is 29.

The square root of 1002728027 is about 31665.8811183267. The cubic root of 1002728027 is about 1000.9085166808.

The spelling of 1002728027 in words is "one billion, two million, seven hundred twenty-eight thousand, twenty-seven".