102404669 has 2 divisors, whose sum is σ = 102404670. Its totient is φ = 102404668.

The previous prime is 102404657. The next prime is 102404677. The reversal of 102404669 is 966404201.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 78765625 + 23639044 = 8875^2 + 4862^2 .

It is a cyclic number.

It is not a de Polignac number, because 102404669 - 2²⁰ = 101356093 is a prime.

It is a super-2 number, since 2×102404669² = 20973432465999122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102404369) 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, 51202334 + 51202335.

It is an arithmetic number, because the mean of its divisors is an integer number (51202335).

Almost surely, 2^102404669 is an apocalyptic number.

It is an amenable number.

102404669 is a deficient number, since it is larger than the sum of its proper divisors (1).

102404669 is an equidigital number, since it uses as much as digits as its factorization.

102404669 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 102404669 is about 10119.5192079466. The cubic root of 102404669 is about 467.8499485470.

The spelling of 102404669 in words is "one hundred two million, four hundred four thousand, six hundred sixty-nine".