102418469 has 2 divisors, whose sum is σ = 102418470. Its totient is φ = 102418468.

The previous prime is 102418453. The next prime is 102418487. The reversal of 102418469 is 964814201.

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., 53949025 + 48469444 = 7345^2 + 6962^2 .

It is a cyclic number.

It is not a de Polignac number, because 102418469 - 2⁴ = 102418453 is a prime.

It is a super-2 number, since 2×102418469² = 20979085584607922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102418409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51209234 + 51209235.

It is an arithmetic number, because the mean of its divisors is an integer number (51209235).

Almost surely, 2^102418469 is an apocalyptic number.

It is an amenable number.

102418469 is a deficient number, since it is larger than the sum of its proper divisors (1).

102418469 is an equidigital number, since it uses as much as digits as its factorization.

102418469 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 102418469 is about 10120.2010355526. The cubic root of 102418469 is about 467.8709633418.

The spelling of 102418469 in words is "one hundred two million, four hundred eighteen thousand, four hundred sixty-nine".