102116447 has 2 divisors, whose sum is σ = 102116448. Its totient is φ = 102116446.

The previous prime is 102116419. The next prime is 102116471. The reversal of 102116447 is 744611201.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102116447 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102116407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51058223 + 51058224.

It is an arithmetic number, because the mean of its divisors is an integer number (51058224).

Almost surely, 2^102116447 is an apocalyptic number.

102116447 is a deficient number, since it is larger than the sum of its proper divisors (1).

102116447 is an equidigital number, since it uses as much as digits as its factorization.

102116447 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 102116447 is about 10105.2682794669. The cubic root of 102116447 is about 467.4106087008.

Adding to 102116447 its reverse (744611201), we get a palindrome (846727648).

The spelling of 102116447 in words is "one hundred two million, one hundred sixteen thousand, four hundred forty-seven".