102000027 has 4 divisors (see below), whose sum is σ = 136000040. Its totient is φ = 68000016.

The previous prime is 102000023. The next prime is 102000043. The reversal of 102000027 is 720000201.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 102000027 - 2² = 102000023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101999976 and 102000021.

It is not an unprimeable number, because it can be changed into a prime (102000023) 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 in 3 ways as a sum of consecutive naturals, for example, 17000002 + ... + 17000007.

It is an arithmetic number, because the mean of its divisors is an integer number (34000010).

Almost surely, 2^102000027 is an apocalyptic number.

102000027 is a deficient number, since it is larger than the sum of its proper divisors (34000013).

102000027 is an equidigital number, since it uses as much as digits as its factorization.

102000027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34000012.

The product of its (nonzero) digits is 28, while the sum is 12.

The square root of 102000027 is about 10099.5062750612. The cubic root of 102000027 is about 467.2329140620.

Adding to 102000027 its reverse (720000201), we get a palindrome (822000228).

The spelling of 102000027 in words is "one hundred two million, twenty-seven", and thus it is an aban number.