102146669 has 2 divisors, whose sum is σ = 102146670. Its totient is φ = 102146668.

The previous prime is 102146647. The next prime is 102146683. The reversal of 102146669 is 966641201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 85784644 + 16362025 = 9262^2 + 4045^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102146669 is a prime.

It is a super-2 number, since 2×102146669² = 20867883975591122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102146699) 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, 51073334 + 51073335.

It is an arithmetic number, because the mean of its divisors is an integer number (51073335).

Almost surely, 2^102146669 is an apocalyptic number.

It is an amenable number.

102146669 is a deficient number, since it is larger than the sum of its proper divisors (1).

102146669 is an equidigital number, since it uses as much as digits as its factorization.

102146669 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 102146669 is about 10106.7635274602. The cubic root of 102146669 is about 467.4567151819.

The spelling of 102146669 in words is "one hundred two million, one hundred forty-six thousand, six hundred sixty-nine".