102401403239 has 2 divisors, whose sum is σ = 102401403240. Its totient is φ = 102401403238.

The previous prime is 102401403227. The next prime is 102401403257. The reversal of 102401403239 is 932304104201.

It is a weak prime.

It is an emirp because it is prime and its reverse (932304104201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 102401403239 - 2²⁰ = 102400354663 is a prime.

It is a super-2 number, since 2×102401403239² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102401493239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51200701619 + 51200701620.

It is an arithmetic number, because the mean of its divisors is an integer number (51200701620).

Almost surely, 2^102401403239 is an apocalyptic number.

102401403239 is a deficient number, since it is larger than the sum of its proper divisors (1).

102401403239 is an equidigital number, since it uses as much as digits as its factorization.

102401403239 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 29.

The spelling of 102401403239 in words is "one hundred two billion, four hundred one million, four hundred three thousand, two hundred thirty-nine".