102662243 has 2 divisors, whose sum is σ = 102662244. Its totient is φ = 102662242.

The previous prime is 102662239. The next prime is 102662249. The reversal of 102662243 is 342266201.

It is a weak prime.

It is an emirp because it is prime and its reverse (342266201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 102662243 - 2² = 102662239 is a prime.

It is a super-2 number, since 2×102662243² = 21079072275582098, which contains 22 as substring.

It is equal to p_5906006 and since 102662243 and 5906006 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (102662249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51331121 + 51331122.

It is an arithmetic number, because the mean of its divisors is an integer number (51331122).

Almost surely, 2^102662243 is an apocalyptic number.

102662243 is a deficient number, since it is larger than the sum of its proper divisors (1).

102662243 is an equidigital number, since it uses as much as digits as its factorization.

102662243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 102662243 is about 10132.2378081054. The cubic root of 102662243 is about 468.2418743264.

The spelling of 102662243 in words is "one hundred two million, six hundred sixty-two thousand, two hundred forty-three".