102381677 has 2 divisors, whose sum is σ = 102381678. Its totient is φ = 102381676.

The previous prime is 102381661. The next prime is 102381683. The reversal of 102381677 is 776183201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 101989801 + 391876 = 10099^2 + 626^2 .

It is a cyclic number.

It is not a de Polignac number, because 102381677 - 2⁴ = 102381661 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102386677) 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, 51190838 + 51190839.

It is an arithmetic number, because the mean of its divisors is an integer number (51190839).

Almost surely, 2^102381677 is an apocalyptic number.

It is an amenable number.

102381677 is a deficient number, since it is larger than the sum of its proper divisors (1).

102381677 is an equidigital number, since it uses as much as digits as its factorization.

102381677 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14112, while the sum is 35.

The square root of 102381677 is about 10118.3831218234. The cubic root of 102381677 is about 467.8149318782.

The spelling of 102381677 in words is "one hundred two million, three hundred eighty-one thousand, six hundred seventy-seven".