102301439 has 2 divisors, whose sum is σ = 102301440. Its totient is φ = 102301438.

The previous prime is 102301417. The next prime is 102301471. The reversal of 102301439 is 934103201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102301439 - 2²⁴ = 85524223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102301039) 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, 51150719 + 51150720.

It is an arithmetic number, because the mean of its divisors is an integer number (51150720).

Almost surely, 2^102301439 is an apocalyptic number.

102301439 is a deficient number, since it is larger than the sum of its proper divisors (1).

102301439 is an equidigital number, since it uses as much as digits as its factorization.

102301439 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 102301439 is about 10114.4173831220. The cubic root of 102301439 is about 467.6926888302.

The spelling of 102301439 in words is "one hundred two million, three hundred one thousand, four hundred thirty-nine".