102112207 has 2 divisors, whose sum is σ = 102112208. Its totient is φ = 102112206.

The previous prime is 102112189. The next prime is 102112211. The reversal of 102112207 is 702211201.

It is a strong prime.

It is an emirp because it is prime and its reverse (702211201) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102112207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102112237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51056103 + 51056104.

It is an arithmetic number, because the mean of its divisors is an integer number (51056104).

Almost surely, 2^102112207 is an apocalyptic number.

102112207 is a deficient number, since it is larger than the sum of its proper divisors (1).

102112207 is an equidigital number, since it uses as much as digits as its factorization.

102112207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56, while the sum is 16.

The square root of 102112207 is about 10105.0584857288. The cubic root of 102112207 is about 467.4041394576.

Adding to 102112207 its reverse (702211201), we get a palindrome (804323408).

The spelling of 102112207 in words is "one hundred two million, one hundred twelve thousand, two hundred seven".