102544027 has 2 divisors, whose sum is σ = 102544028. Its totient is φ = 102544026.

The previous prime is 102544021. The next prime is 102544061. The reversal of 102544027 is 720445201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102544027 - 2⁷ = 102543899 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102543992 and 102544010.

It is not a weakly prime, because it can be changed into another prime (102544021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51272013 + 51272014.

It is an arithmetic number, because the mean of its divisors is an integer number (51272014).

Almost surely, 2^102544027 is an apocalyptic number.

102544027 is a deficient number, since it is larger than the sum of its proper divisors (1).

102544027 is an equidigital number, since it uses as much as digits as its factorization.

102544027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2240, while the sum is 25.

The square root of 102544027 is about 10126.4024707692. The cubic root of 102544027 is about 468.0620778077.

Adding to 102544027 its reverse (720445201), we get a palindrome (822989228).

The spelling of 102544027 in words is "one hundred two million, five hundred forty-four thousand, twenty-seven".