104243387 has 2 divisors, whose sum is σ = 104243388. Its totient is φ = 104243386.

The previous prime is 104243369. The next prime is 104243417. The reversal of 104243387 is 783342401.

It is a weak prime.

It is an emirp because it is prime and its reverse (783342401) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 104243387 - 2⁶ = 104243323 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (104243317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52121693 + 52121694.

It is an arithmetic number, because the mean of its divisors is an integer number (52121694).

Almost surely, 2^104243387 is an apocalyptic number.

104243387 is a deficient number, since it is larger than the sum of its proper divisors (1).

104243387 is an equidigital number, since it uses as much as digits as its factorization.

104243387 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 104243387 is about 10209.9650831920. The cubic root of 104243387 is about 470.6335006492.

Adding to 104243387 its reverse (783342401), we get a palindrome (887585788).

The spelling of 104243387 in words is "one hundred four million, two hundred forty-three thousand, three hundred eighty-seven".