103840487 has 2 divisors, whose sum is σ = 103840488. Its totient is φ = 103840486.

The previous prime is 103840447. The next prime is 103840489. The reversal of 103840487 is 784048301.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (784048301) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 103840487 - 2²⁶ = 36731623 is a prime.

Together with 103840489, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103840489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51920243 + 51920244.

It is an arithmetic number, because the mean of its divisors is an integer number (51920244).

Almost surely, 2^103840487 is an apocalyptic number.

103840487 is a deficient number, since it is larger than the sum of its proper divisors (1).

103840487 is an equidigital number, since it uses as much as digits as its factorization.

103840487 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21504, while the sum is 35.

The square root of 103840487 is about 10190.2152577853. The cubic root of 103840487 is about 470.0263860243.

Adding to 103840487 its reverse (784048301), we get a palindrome (887888788).

The spelling of 103840487 in words is "one hundred three million, eight hundred forty thousand, four hundred eighty-seven".