104100287 has 2 divisors, whose sum is σ = 104100288. Its totient is φ = 104100286.

The previous prime is 104100281. The next prime is 104100301. The reversal of 104100287 is 782001401.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-104100287 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104100281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52050143 + 52050144.

It is an arithmetic number, because the mean of its divisors is an integer number (52050144).

Almost surely, 2^104100287 is an apocalyptic number.

104100287 is a deficient number, since it is larger than the sum of its proper divisors (1).

104100287 is an equidigital number, since it uses as much as digits as its factorization.

104100287 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 448, while the sum is 23.

The square root of 104100287 is about 10202.9548171106. The cubic root of 104100287 is about 470.4180481505.

Adding to 104100287 its reverse (782001401), we get a palindrome (886101688).

The spelling of 104100287 in words is "one hundred four million, one hundred thousand, two hundred eighty-seven".