102144040247 has 2 divisors, whose sum is σ = 102144040248. Its totient is φ = 102144040246.

The previous prime is 102144040211. The next prime is 102144040259. The reversal of 102144040247 is 742040441201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 102144040247 - 2⁶ = 102144040183 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102144040277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51072020123 + 51072020124.

It is an arithmetic number, because the mean of its divisors is an integer number (51072020124).

Almost surely, 2^102144040247 is an apocalyptic number.

102144040247 is a deficient number, since it is larger than the sum of its proper divisors (1).

102144040247 is an equidigital number, since it uses as much as digits as its factorization.

102144040247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7168, while the sum is 29.

Adding to 102144040247 its reverse (742040441201), we get a palindrome (844184481448).

The spelling of 102144040247 in words is "one hundred two billion, one hundred forty-four million, forty thousand, two hundred forty-seven".