102266069 has 4 divisors (see below), whose sum is σ = 102293100. Its totient is φ = 102239040.

The previous prime is 102266041. The next prime is 102266071. The reversal of 102266069 is 960662201.

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 33988900 + 68277169 = 5830^2 + 8263^2 .

It is a cyclic number.

It is not a de Polignac number, because 102266069 - 2¹⁶ = 102200533 is a prime.

It is a super-2 number, since 2×102266069² = 20916697737425522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102266029) 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 in 3 ways as a sum of consecutive naturals, for example, 6692 + ... + 15789.

It is an arithmetic number, because the mean of its divisors is an integer number (25573275).

Almost surely, 2^102266069 is an apocalyptic number.

It is an amenable number.

102266069 is a deficient number, since it is larger than the sum of its proper divisors (27031).

102266069 is an equidigital number, since it uses as much as digits as its factorization.

102266069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27030.

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

The square root of 102266069 is about 10112.6687377764. The cubic root of 102266069 is about 467.6387821358.

The spelling of 102266069 in words is "one hundred two million, two hundred sixty-six thousand, sixty-nine".