102345827 has 2 divisors, whose sum is σ = 102345828. Its totient is φ = 102345826.

The previous prime is 102345757. The next prime is 102345829. The reversal of 102345827 is 728543201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 102345827 - 2¹² = 102341731 is a prime.

Together with 102345829, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 102345793 and 102345802.

It is not a weakly prime, because it can be changed into another prime (102345829) 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 as a sum of consecutive naturals, namely, 51172913 + 51172914.

It is an arithmetic number, because the mean of its divisors is an integer number (51172914).

Almost surely, 2^102345827 is an apocalyptic number.

102345827 is a deficient number, since it is larger than the sum of its proper divisors (1).

102345827 is an equidigital number, since it uses as much as digits as its factorization.

102345827 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 102345827 is about 10116.6114386192. The cubic root of 102345827 is about 467.7603220960.

It can be divided in two parts, 10234 and 5827, that added together give a palindrome (16061).

The spelling of 102345827 in words is "one hundred two million, three hundred forty-five thousand, eight hundred twenty-seven".