102080439 has 8 divisors (see below), whose sum is σ = 151230320. Its totient is φ = 68053608.

The previous prime is 102080437. The next prime is 102080449. The reversal of 102080439 is 934080201.

It is not a de Polignac number, because 102080439 - 2¹ = 102080437 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 3780757 = 102080439 / (1 + 0 + 2 + 0 + 8 + 0 + 4 + 3 + 9).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102080431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1890352 + ... + 1890405.

It is an arithmetic number, because the mean of its divisors is an integer number (18903790).

Almost surely, 2^102080439 is an apocalyptic number.

102080439 is a deficient number, since it is larger than the sum of its proper divisors (49149881).

102080439 is an equidigital number, since it uses as much as digits as its factorization.

102080439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3780766 (or 3780760 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 102080439 is about 10103.4864774493. The cubic root of 102080439 is about 467.3556632592.

The spelling of 102080439 in words is "one hundred two million, eighty thousand, four hundred thirty-nine".