102161747 has 2 divisors, whose sum is σ = 102161748. Its totient is φ = 102161746.

The previous prime is 102161713. The next prime is 102161777. The reversal of 102161747 is 747161201.

It is a strong prime.

It is an emirp because it is prime and its reverse (747161201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 102161747 - 2⁸ = 102161491 is a prime.

It is not a weakly prime, because it can be changed into another prime (102161777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51080873 + 51080874.

It is an arithmetic number, because the mean of its divisors is an integer number (51080874).

Almost surely, 2^102161747 is an apocalyptic number.

102161747 is a deficient number, since it is larger than the sum of its proper divisors (1).

102161747 is an equidigital number, since it uses as much as digits as its factorization.

102161747 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2352, while the sum is 29.

The square root of 102161747 is about 10107.5094360579. The cubic root of 102161747 is about 467.4797146774.

The spelling of 102161747 in words is "one hundred two million, one hundred sixty-one thousand, seven hundred forty-seven".