102437969 has 2 divisors, whose sum is σ = 102437970. Its totient is φ = 102437968.

The previous prime is 102437899. The next prime is 102437977. The reversal of 102437969 is 969734201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67486225 + 34951744 = 8215^2 + 5912^2 .

It is an emirp because it is prime and its reverse (969734201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 102437969 - 2¹⁶ = 102372433 is a prime.

It is a super-2 number, since 2×102437969² = 20987074985689922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is equal to p_5893844 and since 102437969 and 5893844 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (102437989) 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, 51218984 + 51218985.

It is an arithmetic number, because the mean of its divisors is an integer number (51218985).

Almost surely, 2^102437969 is an apocalyptic number.

It is an amenable number.

102437969 is a deficient number, since it is larger than the sum of its proper divisors (1).

102437969 is an equidigital number, since it uses as much as digits as its factorization.

102437969 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81648, while the sum is 41.

The square root of 102437969 is about 10121.1644092960. The cubic root of 102437969 is about 467.9006549424.

The spelling of 102437969 in words is "one hundred two million, four hundred thirty-seven thousand, nine hundred sixty-nine".