102401027 has 2 divisors, whose sum is σ = 102401028. Its totient is φ = 102401026.

The previous prime is 102401023. The next prime is 102401041. The reversal of 102401027 is 720104201.

It is a weak prime.

It is an emirp because it is prime and its reverse (720104201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 102401027 - 2² = 102401023 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 102400996 and 102401014.

It is not a weakly prime, because it can be changed into another prime (102401023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51200513 + 51200514.

It is an arithmetic number, because the mean of its divisors is an integer number (51200514).

Almost surely, 2^102401027 is an apocalyptic number.

102401027 is a deficient number, since it is larger than the sum of its proper divisors (1).

102401027 is an equidigital number, since it uses as much as digits as its factorization.

102401027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112, while the sum is 17.

The square root of 102401027 is about 10119.3392570859. The cubic root of 102401027 is about 467.8444021537.

Adding to 102401027 its reverse (720104201), we get a palindrome (822505228).

The spelling of 102401027 in words is "one hundred two million, four hundred one thousand, twenty-seven".