102529969 has 2 divisors, whose sum is σ = 102529970. Its totient is φ = 102529968.

The previous prime is 102529967. The next prime is 102529981. The reversal of 102529969 is 969925201.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 101909025 + 620944 = 10095^2 + 788^2 .

It is a cyclic number.

It is not a de Polignac number, because 102529969 - 2¹ = 102529967 is a prime.

It is a super-2 number, since 2×102529969² = 21024789086281922, which contains 22 as substring.

Together with 102529967, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (102529963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51264984 + 51264985.

It is an arithmetic number, because the mean of its divisors is an integer number (51264985).

Almost surely, 2^102529969 is an apocalyptic number.

It is an amenable number.

102529969 is a deficient number, since it is larger than the sum of its proper divisors (1).

102529969 is an equidigital number, since it uses as much as digits as its factorization.

102529969 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 87480, while the sum is 43.

The square root of 102529969 is about 10125.7083209028. The cubic root of 102529969 is about 468.0406875892.

The spelling of 102529969 in words is "one hundred two million, five hundred twenty-nine thousand, nine hundred sixty-nine".