102669529 has 4 divisors (see below), whose sum is σ = 102690100. Its totient is φ = 102648960.

The previous prime is 102669517. The next prime is 102669557. The reversal of 102669529 is 925966201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 60419529 + 42250000 = 7773^2 + 6500^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102669529 is a prime.

It is a super-4 number, since 4×102669529⁴ (a number of 33 digits) contains 4444 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102669491 and 102669500.

It is not an unprimeable number, because it can be changed into a prime (102669029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2497 + ... + 14545.

It is an arithmetic number, because the mean of its divisors is an integer number (25672525).

Almost surely, 2^102669529 is an apocalyptic number.

It is an amenable number.

102669529 is a deficient number, since it is larger than the sum of its proper divisors (20571).

102669529 is an equidigital number, since it uses as much as digits as its factorization.

102669529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20570.

The product of its (nonzero) digits is 58320, while the sum is 40.

The square root of 102669529 is about 10132.5973471761. The cubic root of 102669529 is about 468.2529511984.

The spelling of 102669529 in words is "one hundred two million, six hundred sixty-nine thousand, five hundred twenty-nine".