10102439 has 2 divisors, whose sum is σ = 10102440. Its totient is φ = 10102438.

The previous prime is 10102429. The next prime is 10102481. The reversal of 10102439 is 93420101.

10102439 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (93420101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10102439 - 2⁴ = 10102423 is a prime.

10102439 is a modest number, since divided by 2439 gives 101 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 10102439.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10102429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5051219 + 5051220.

It is an arithmetic number, because the mean of its divisors is an integer number (5051220).

Almost surely, 2^10102439 is an apocalyptic number.

10102439 is a deficient number, since it is larger than the sum of its proper divisors (1).

10102439 is an equidigital number, since it uses as much as digits as its factorization.

10102439 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 10102439 is about 3178.4334191548. The cubic root of 10102439 is about 216.1766316423.

The spelling of 10102439 in words is "ten million, one hundred two thousand, four hundred thirty-nine".