102841139 has 2 divisors, whose sum is σ = 102841140. Its totient is φ = 102841138.

The previous prime is 102841127. The next prime is 102841183. The reversal of 102841139 is 931148201.

It is a weak prime.

It is an emirp because it is prime and its reverse (931148201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 102841139 - 2⁸ = 102840883 is a prime.

It is not a weakly prime, because it can be changed into another prime (102841199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51420569 + 51420570.

It is an arithmetic number, because the mean of its divisors is an integer number (51420570).

Almost surely, 2^102841139 is an apocalyptic number.

102841139 is a deficient number, since it is larger than the sum of its proper divisors (1).

102841139 is an equidigital number, since it uses as much as digits as its factorization.

102841139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 102841139 is about 10141.0620252516. The cubic root of 102841139 is about 468.5136976914.

The spelling of 102841139 in words is "one hundred two million, eight hundred forty-one thousand, one hundred thirty-nine".