102404437 has 2 divisors, whose sum is σ = 102404438. Its totient is φ = 102404436.

The previous prime is 102404411. The next prime is 102404453. The reversal of 102404437 is 734404201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 95082001 + 7322436 = 9751^2 + 2706^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102404437 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102402437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51202218 + 51202219.

It is an arithmetic number, because the mean of its divisors is an integer number (51202219).

Almost surely, 2^102404437 is an apocalyptic number.

It is an amenable number.

102404437 is a deficient number, since it is larger than the sum of its proper divisors (1).

102404437 is an equidigital number, since it uses as much as digits as its factorization.

102404437 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 102404437 is about 10119.5077449449. The cubic root of 102404437 is about 467.8495952387.

Adding to 102404437 its reverse (734404201), we get a palindrome (836808638).

The spelling of 102404437 in words is "one hundred two million, four hundred four thousand, four hundred thirty-seven".