102066269 has 2 divisors, whose sum is σ = 102066270. Its totient is φ = 102066268.

The previous prime is 102066247. The next prime is 102066277. The reversal of 102066269 is 962660201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 57684025 + 44382244 = 7595^2 + 6662^2 .

It is an emirp because it is prime and its reverse (962660201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 102066269 - 2²⁴ = 85289053 is a prime.

It is a super-2 number, since 2×102066269² = 20835046535160722, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102066169) 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, 51033134 + 51033135.

It is an arithmetic number, because the mean of its divisors is an integer number (51033135).

Almost surely, 2^102066269 is an apocalyptic number.

It is an amenable number.

102066269 is a deficient number, since it is larger than the sum of its proper divisors (1).

102066269 is an equidigital number, since it uses as much as digits as its factorization.

102066269 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 102066269 is about 10102.7852100300. The cubic root of 102066269 is about 467.3340373850.

The spelling of 102066269 in words is "one hundred two million, sixty-six thousand, two hundred sixty-nine".